Syntax
| array preg_grep ( string $pattern, array $input [, int $flags] ); |
Definition and Usage
Returns the array consisting of the elements of the input array that match the given pattern.
If flag is set to PREG_GREP_INVERT, this function returns the elements of the input array that do not match the given pattern.
Return Value
- Returns an array indexed using the keys from the input array.
Example
Following is the piece of code, copy and paste this code into a file and verify the result.
<?php
$foods = array("pasta", "steak", "fish", "potatoes");
// find elements beginning with "p", followed by one or more letters.
$p_foods = preg_grep("/p(\w+)/", $foods);
print "Found food is " . $p_foods[0];
print "Found food is " . $p_foods[1];
?>
|
This will produce following result.
Found food is pasta Found food is potatoes |
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