PHP Memory Limit Test

gistfile1.aw

<?php

// Memory Limit: -1
// Max Execution Time: 0
printf("Memory Limit: %s\n", ini_get('memory_limit'));
printf("Max Execution Time: %s\n", ini_get('max_execution_time'));


// Fatal error: Out of memory (allocated 1913651200) (tried to allocate 536870912 bytes)
// 1825,00 MB
$a = array();
while (true) {
    $a[] = new stdClass;
}


// Fatal error: Out of memory (allocated 1812725760) (tried to allocate 134217728 bytes)
// 1728,75 MB
$i = 1;
while ($i++) {
    ${'a'.$i} = 'a';
}


// Fatal error: Out of memory (allocated 1678508032) (tried to allocate 134217728 bytes)
// 1600,75 MB
$a = array();
while (true) {
    $a[] = 'a';
}


// Fatal error: Out of memory (allocated 477364224) (tried to allocate 476839913 bytes)
// 455,25 MB
$a = '';
while (true) {
    $a .= 'a';
}