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run code in 300+ PHP versions simultaneously
<?php class x { public $value; public function __construct($value) { $this->value = $value; } } $array = array(); for($i = 0; $i < 50000; $i++) { $array[] = md5('Hallo'); } $x = new x($array); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); unset($x); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n";
Output for 7.3.0
string(9) "5.692.000" string(9) "6.295.552" string(7) "390.648" string(9) "4.194.304"
Output for 7.2.0 - 7.2.13
string(9) "5.688.336" string(9) "6.295.552" string(7) "386.984" string(9) "4.194.304"
Output for 7.1.0 - 7.1.25
string(9) "5.651.792" string(9) "6.295.552" string(7) "350.440" string(9) "4.194.304"
Output for 7.0.0 - 7.0.33
string(9) "5.651.840" string(9) "6.295.552" string(7) "350.488" string(9) "4.194.304"
Output for 5.6.0 - 5.6.38
string(10) "10.348.792" string(10) "10.747.904" string(7) "224.016" string(7) "786.432"
Output for 5.5.0 - 5.5.38
string(10) "10.348.792" string(10) "10.747.904" string(7) "223.992" string(7) "786.432"
Output for 5.4.10 - 5.4.45
string(10) "10.349.280" string(10) "10.747.904" string(7) "224.504" string(7) "786.432"
Output for 5.4.0 - 5.4.9
string(10) "10.349.272" string(10) "10.747.904" string(7) "224.504" string(7) "786.432"
Output for 5.3.11 - 5.3.29
string(10) "10.754.264" string(10) "11.272.192" string(7) "629.264" string(9) "1.310.720"
Output for 5.3.0 - 5.3.10
string(10) "10.753.984" string(10) "11.272.192" string(7) "628.960" string(9) "1.310.720"
Output for 5.2.10 - 5.2.17
string(9) "9.812.480" string(10) "10.223.616" string(6) "87.240" string(7) "786.432"
Output for 5.2.7 - 5.2.9
string(9) "9.814.176" string(10) "10.223.616" string(7) "218.376" string(7) "786.432"
Output for 5.2.6
string(9) "9.814.504" string(10) "10.223.616" string(7) "218.696" string(7) "786.432"
Output for 5.2.3 - 5.2.5
string(9) "9.814.488" string(9) "9.961.472" string(7) "218.696" string(9) "1.048.576"
Output for 5.2.2
string(9) "9.812.536" string(9) "9.961.472" string(7) "216.720" string(7) "786.432"
Output for 5.2.1
string(9) "9.811.968" string(9) "9.961.472" string(7) "118.392" string(7) "786.432"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/2EBN0 on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/2EBN0 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/2EBN0 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/2EBN0 on line 4
Process exited with code 255.
preferences:
203.53 ms | 401 KiB | 287 Q