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run code in 300+ PHP versions simultaneously
<?php gc_enable(); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; class x { private $value; public function __construct($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 7.4.0
string(7) "396.296" string(9) "2.097.152" string(9) "5.697.712" string(9) "6.295.552" string(7) "396.328" string(9) "4.194.304"
Output for 7.3.0 - 7.3.12
string(7) "396.264" string(9) "2.097.152" string(9) "5.697.680" string(9) "6.295.552" string(7) "396.296" string(9) "4.194.304"
Output for 7.2.0 - 7.2.25
string(7) "389.272" string(9) "2.097.152" string(9) "5.690.688" string(9) "6.295.552" string(7) "389.304" string(9) "4.194.304"
Output for 7.1.0 - 7.1.1, 7.1.7 - 7.1.33
string(7) "352.768" string(9) "2.097.152" string(9) "5.654.184" string(9) "6.295.552" string(7) "352.800" string(9) "4.194.304"
Output for 7.1.2 - 7.1.6
string(7) "354.160" string(9) "2.097.152" string(9) "5.655.576" string(9) "6.295.552" string(7) "354.192" string(9) "4.194.304"
Output for 7.0.0 - 7.0.31
string(7) "352.816" string(9) "2.097.152" string(9) "5.654.232" string(9) "6.295.552" string(7) "352.848" string(9) "4.194.304"
Output for 5.6.0 - 5.6.38
string(7) "225.856" string(7) "262.144" string(10) "10.350.896" string(10) "10.747.904" string(7) "226.072" string(7) "786.432"
Output for 5.5.0 - 5.5.38
string(7) "225.848" string(7) "262.144" string(10) "10.350.880" string(10) "10.747.904" string(7) "226.048" string(7) "786.432"
Output for 5.4.10 - 5.4.45
string(7) "226.360" string(7) "262.144" string(10) "10.351.360" string(10) "10.747.904" string(7) "226.560" string(7) "786.432"
Output for 5.4.0 - 5.4.9
string(7) "226.360" string(7) "262.144" string(10) "10.351.408" string(10) "10.747.904" string(7) "226.560" string(7) "786.432"
Output for 5.3.11 - 5.3.29
string(7) "632.296" string(7) "786.432" string(10) "10.757.560" string(10) "11.272.192" string(7) "632.472" string(9) "1.310.720"
Output for 5.3.0 - 5.3.10
string(7) "632.160" string(7) "786.432" string(10) "10.757.416" string(10) "11.272.192" string(7) "632.336" string(9) "1.310.720"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Call to undefined function gc_enable() in /in/2RCZf on line 2
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/2RCZf on line 8
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/2RCZf on line 8
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/2RCZf on line 8
Process exited with code 255.
preferences:
243.79 ms | 401 KiB | 311 Q