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Array easily exit the foreach loop after x number of iterations
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// Credit goes to authors of answers here: http://stackoverflow.com/a/2865393/1152876 | |
<?php | |
/* | |
* Example array, the values are grabbed from a custom field on WordPress. | |
* Works well if you need a solution that can accept any array. | |
*/ | |
$array = get_post_meta( get_the_ID(), '_prefix_my_custom_field', true ); | |
$i=0; | |
foreach($array as $arr){ | |
// whatever you want to do here | |
$i++; | |
if($i==3) break; | |
} | |
?> | |
<?php | |
/* | |
* Optimized version with a for loop. it's more bug-proof (the control variables are all inside the for statement), | |
* and just reading it you know how many times it will be executed. break; or continue; should be avoided if possible. | |
* Does not play well with arrays that doesn't have contiguous numeric indexes starting at 0. var_dump($array) and check it first. | |
*/ | |
for($i=0;$i<3;$i++){ | |
$array = $arr[i]; | |
// whatever you want to do here | |
} | |
?> |
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