Fixed increment/decrement bad syntax

README.md

@@ -83,23 +83,23 @@ $userInstance = new User;
 $value = [
  [
  'id' => 1,
- 'balance' => '+500' // Add
+ 'balance' => ['+', 500] // Add
  ] ,
  [
  'id' => 2,
- 'balance' => '-200' // Subtract
+ 'balance' => ['-', 200] // Subtract
  ] ,
  [
  'id' => 3,
- 'balance' => '*5' // Multiply
+ 'balance' => ['*', 5] // Multiply
  ] ,
  [
  'id' => 4,
- 'balance' => '/2' // Divide
+ 'balance' => ['/', 2] // Divide
  ] ,
  [
  'id' => 5,
- 'balance' => '%2' // Modulo
+ 'balance' => ['%', 2] // Modulo
  ] ,
 ];
 $index = 'id';

src/Batch.php

@@ -19,30 +19,37 @@ public function __construct(DatabaseManager $db)
  }
 
  /**
- * Update multiple rows.
+ * <h2>Update multiple rows.</h2>
  *
- * @param Model $table
- * @param array $values
- * @param string $index
- * @param bool $raw
- * @return bool|int
- * @updatedBy Ibrahim Sakr <ebrahimes@gmail.com>
- * @desc
- * Example
- * $table = 'users';
+ * Example:<br>
+ * ```
+ * $userInstance = new \App\Models\User;
  * $value = [
  * [
  * 'id' => 1,
  * 'status' => 'active',
  * 'nickname' => 'Mohammad'
- * ] ,
+ * ],
  * [
  * 'id' => 5,
  * 'status' => 'deactive',
  * 'nickname' => 'Ghanbari'
- * ] ,
+ * ],
+ * [
+ * 'id' => 7,
+ * 'balance' => ['+', 500]
+ * ]
  * ];
  * $index = 'id';
+ * Batch::update($userInstance, $value, $index);
+ * ```
+ *
+ * @param \Illuminate\Database\Eloquent\Model $table
+ * @param array $values
+ * @param string $index
+ * @param bool $raw
+ * @return bool|int
+ * @updatedBy Ibrahim Sakr <ebrahimes@gmail.com>
  */
  public function update(Model $table, array $values, string $index = null, bool $raw = false)
  {
@@ -73,12 +80,28 @@ public function update(Model $table, array $values, string $index = null, bool $
 
  foreach (array_keys($val) as $field) {
  if ($field !== $index) {
- if (gettype($val[$field]) == 'string' && !empty($val[$field]) && str_replace(['+', '-', '*', '/', '%'], '', $val[$field][0]) !== $val[$field][0]) {
- $value = '`' . $field . '`' . $val[$field];
+ // If increment / decrement
+ if (gettype($val[$field]) == 'array') {
+ // If array has two values
+ if (!array_key_exists(0, $val[$field]) || !array_key_exists(1, $val[$field])) {
+ throw new \ArgumentCountError('Increment/Decrement array needs to have 2 values, a math operator (+, -, *, /, %) and a number');
+ }
+ // Check first value
+ if (gettype($val[$field][0]) != 'string' || !in_array($val[$field][0], ['+', '-', '*', '/', '%'])) {
+ throw new \TypeError('First value in Increment/Decrement array needs to be a string and a math operator (+, -, *, /, %)');
+ }
+ // Check second value
+ if (!is_numeric($val[$field][1])) {
+ throw new \TypeError('Second value in Increment/Decrement array needs to be numeric');
+ }
+ // Increment / decrement
+ $value = '`' . $field . '`' . $val[$field][0] . $val[$field][1];
  } else {
+ // Only update
  $finalField = $raw ? Common::mysql_escape($val[$field]) : "'" . Common::mysql_escape($val[$field]) . "'";
  $value = (is_null($val[$field]) ? 'NULL' : $finalField);
  }
+
  if ($driver == 'pgsql')
  $final[$field][] = 'WHEN ' . $index . ' = \'' . $val[$index] . '\' THEN ' . $value . ' ';
  else