3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = 1; $f1 = fn() => $a = 2; $b = &$a; $f2 = fn() => $b = 3; echo $f1(); echo $a; echo PHP_EOL; echo $f2(); echo $a; echo 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)
8.5.70.0060.00818.64
8.5.60.0090.00816.75
8.5.50.0050.00316.67
8.5.30.0110.00718.03
8.5.20.0080.00820.34
8.5.10.0110.00716.74
8.5.00.0120.01022.84
8.4.220.0080.00919.50
8.4.210.0040.00919.48
8.4.180.0140.00719.64
8.4.170.0130.00824.00
8.4.160.0140.00722.18
8.4.150.0070.00616.89
8.4.140.0130.00917.50
8.4.130.0160.00517.50
8.4.120.0430.00817.56
8.4.110.0290.00617.70
8.4.100.0330.00717.48
8.4.90.0450.00817.38
8.4.80.0370.00617.76
8.4.70.0340.00517.70
8.4.60.0340.01017.56
8.4.50.0390.00717.58
8.4.40.0440.00917.42
8.4.30.0410.00917.37
8.4.20.0390.01017.44
8.4.10.0340.00517.40
8.3.310.0100.00918.23
8.3.300.0090.01220.80
8.3.290.0100.01020.82
8.3.280.0100.01018.27
8.3.270.0130.00816.73
8.3.260.0090.01016.42
8.3.250.0200.00416.64
8.3.240.0230.00616.53
8.3.230.0270.00816.54
8.3.220.0340.00816.60
8.3.210.0320.00616.65
8.3.200.0310.00716.57
8.3.190.0240.00516.69
8.3.180.0210.00416.52
8.3.170.0260.00716.54
8.3.160.0350.00816.39
8.3.150.0430.00716.65
8.3.140.0330.00616.45
8.3.130.0330.00616.42
8.3.120.0310.00816.42
8.3.110.0210.00716.43
8.3.100.0360.00916.40
8.3.90.0370.00916.58
8.3.80.0300.00516.47
8.3.70.0300.00716.29
8.3.60.0350.00716.49
8.3.50.0270.00716.61
8.3.40.0290.00617.65
8.3.30.0250.00617.58
8.3.20.0270.00917.38
8.3.10.0370.00717.34
8.3.00.0340.01017.47
8.2.310.0060.00318.14
8.2.300.0100.01020.30
8.2.290.0320.00816.64
8.2.280.0320.00816.69
8.2.270.0280.00616.58
8.2.260.0300.00716.32
8.2.250.0300.00516.46
8.2.240.0260.01116.19
8.2.230.0280.00716.31
8.2.220.0280.00616.23
8.2.210.0270.00516.28
8.2.200.0230.00416.36
8.2.190.0320.00616.16
8.2.180.0290.00816.41
8.2.170.0360.00617.56
8.2.160.0390.00817.40
8.2.150.0310.00717.45
8.2.140.0260.00717.30
8.2.130.0290.00617.22
8.2.120.0310.00717.52
8.2.110.0310.00817.35
8.2.100.0330.00617.45
8.2.90.0320.00717.57
8.2.80.0290.00617.52
8.2.70.0360.00717.43
8.2.60.0350.00717.51
8.2.50.0370.00517.39
8.2.40.0290.00517.44
8.2.30.0250.00717.41
8.2.20.0330.00717.34
8.2.10.0370.00917.35
8.2.00.0300.00917.52
8.1.340.0120.01221.88

preferences:
62.3 ms | 860 KiB | 5 Q