PHP string md5_file() Function4 Sept 2024 | 1 min read PHP string md5_file() function is in-built important function. It is used to calculate the MD5 hash of a file. It uses the RSA Data Security. It returns the md5 hash on success, or FALSE on failure. Syntax:
Example 1Save it: "test.txt" file and past it "Hello PHP" string inside the file. Output: c540ce201d398a7d275c6e0c669097f3 Example 2We can store the MD5 hash of "test.txt" in a file: We can test if "test.txt" has been changed (if the MD5 hash has been changed): Output: The file is ok. Next TopicPHP String |
PHP string Function PHP string is predefined function. It is used to convert first byte of string to a value between 0 and 255. It returns ASCII value. Syntax: int ord ( string $string ); Parameter Description Required/Optional string Specify string value required Example 1 <?php echo "Your Value is: A"."<br>"; echo "By using '' Function:".ord("A")."<br>"; ?> Output: Your Value...
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PHP Function The is predefined function of PHP. It is used to find the length of initial segment or returns the number of characters including whitespaces found in a string. Note: This function is binary-safe. Syntax: strcspn(string,char,start,length); Parameter Description Required/Optional String Specify the string to search. Required Char Specifies the characters to search for. Required Start Specify where...
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PHP Function PHP convert_cry_string() function is used to convert from one Cyrillic character-set to another. Syntax: string convert_cyr_string ( string $str , string $from , string $to ); Parameter Description Required/Optional String String to convert Required from Specify the Cyrillic character-set to convert. Required to Specify the Cyrillic character-set to convert. Required The supported Cyrillic character-sets are; k - koi8-r w -...
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PHP string join() Function PHP string join() is predefined function. It is used to return a string from the elements of an array. It is an alias of the implode() function. Syntax: join(separator,array) Parameter Description Required/Optional separator Specify the array element optional array The array to join to a string required Example 1 <?php $arr = array('Hello','PHP','Join','Function'); echo join(" ",$arr)."<br>"; ?> Output: Hello PHP Join...
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PHP string Function The is in-built PHP function which is use to pad a string to a certain length. It returns input string padded on the left, right both sides to the specified function. Syntax: str_pad(string,length,pad_string,pad_type) Parameter Description Required/Optional String Specify the string. Required Length Specify the new string length. Required Pad_string Specify the string for padding. Optional Pad_type Specify what...
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PHP Function The is predefine string function of PHP. It is used to compare two strings. This function is binary-safe, case-sensitive and similar to strcmp() function but strcmp() have no the length parameter. The strncmp () function is often used in programming and web development...
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PHP Function The function is predefined function of PHP. It is used to reverse a string. It is one of the most basic string operations which are used by programmers and developers. Syntax: string strrev ( string $string ); Parameter Description Required/Optional String Specify the string to reverse Required Example 1 <?php $var1="Hello PHP"; ...
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PHP Function The function in-built string function of PHP. It is used to compare string by using a natural algorithm. Syntax: int strnatcmp ( string $str1 , string $str2 ) Parameter Description Required/Optional string1 required string2 required This function : returns: <0 if str1 is less than str2; returns : >0 if str1 is greater...
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PHP Function The function is predefine string function of PHP. It is used to search a string for any of the specified characters or search a string for any of a set of character. Note: This function is case-sensitive. Syntax: strpbrk(string,charlist); Parameter Description Required/Optional string Specify the string...
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PHP string Function PHP string is predefined function. It is used to replace some character with some other characters. It is case-insensitive version of str_replace(). Note: This function is binary-safe. Syntax: str_ireplace(find,replace,string,count); Parameter Description Required/Optional find Specify the value to find. Required replace Specify the value to replace. Required string Specify the string to be searched Required Count It is variable that...
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