3v4l.org

run code in 300+ PHP versions simultaneously
<?php function doSmth(array &$array, int $memory) { printf('memory: %s%s', memory_get_usage() - $memory, PHP_EOL); $array[0] = 0; printf('memory: %s%s', memory_get_usage() - $memory, PHP_EOL); foreach ($array as $i => &$value) { $array[$i] ++; printf('memory: %s, i: %s%s', memory_get_usage() - $memory, $i, PHP_EOL); break; } printf('memory: %s%s', memory_get_usage() - $memory, PHP_EOL); } $memory = memory_get_usage(); $array = range(0, 99); doSmth($array, $memory); printf('memory: %s%s', memory_get_usage() - $memory, PHP_EOL);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.20.0120.01025.66
8.3.10.0110.00823.56
8.3.00.0090.00920.12
8.2.140.0120.00621.67
8.2.130.0130.00521.67
8.2.120.0110.00720.25
8.2.110.0120.00720.40
8.2.100.0120.00719.52
8.2.90.0170.00219.28
8.2.80.0110.00919.60
8.2.70.0080.00839.27
8.2.60.0110.00639.20
8.2.50.0120.00539.31
8.2.40.0090.00739.32
8.2.30.0080.00739.28
8.2.20.0090.00639.22
8.2.10.0070.00739.25
8.2.00.0090.00639.25
8.1.270.0070.00722.60
8.1.260.0090.00722.12
8.1.250.0080.00722.10
8.1.240.0100.00518.62
8.1.230.0070.00918.64
8.1.220.0100.00418.92
8.1.210.0090.00518.59
8.1.200.0060.00838.99
8.1.190.0090.00538.92
8.1.180.0090.00438.75
8.1.170.0080.00439.40
8.1.160.0070.00439.37
8.1.150.0060.00439.74
8.1.140.0060.00439.62
8.1.130.0090.00239.84
8.1.120.0040.00739.72
8.1.110.0060.00439.74
8.1.100.0060.00439.73
8.1.90.0050.00539.42
8.1.80.0050.00539.38
8.1.70.0060.00439.40
8.1.60.0070.00339.47
8.1.50.0060.00439.44
8.1.40.0070.00339.51
8.1.30.0060.00439.55
8.1.20.0070.00439.54
8.1.10.0050.00639.21
8.1.00.0060.00539.11
8.0.300.0060.00218.36
8.0.290.0070.00538.95
8.0.280.0060.00538.66
8.0.270.0060.00438.67
8.0.260.0070.00438.69
8.0.250.0040.00538.72
8.0.240.0060.00438.74
8.0.230.0060.00438.69
8.0.220.0050.00538.67
8.0.210.0070.00438.65
8.0.200.0060.00338.63
8.0.190.0080.00338.69
8.0.180.0070.00338.72
8.0.170.0090.00338.76
8.0.160.0070.00338.43
8.0.150.0090.00238.32
8.0.140.0080.00338.31
8.0.130.0090.00338.38
8.0.120.0070.00538.69
8.0.110.0050.00538.37
8.0.100.0050.00638.38
8.0.90.0090.00238.33
8.0.80.0070.00438.65
8.0.70.0040.00639.02
8.0.60.0070.00438.65
8.0.50.0070.00438.66
8.0.30.0070.00339.00
8.0.20.0060.00339.04
8.0.10.0100.00138.81
7.0.170.0140.01025.66
5.6.260.0250.05825.66

preferences:
26.17 ms | 403 KiB | 5 Q