3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mask = 127; $blocks = (int)($mask / 16); $b = unpack('n*', pack('n*', ...array_fill(0, $blocks, 0xffff), ...array_pad([~(($mask % 16) - 1) & 0xffff], 8 - $blocks, 0)))); foreach ($b as $block) { printf("%016b\n", $block); }

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)
5.4.390.0170.05718.69
5.4.380.0200.05318.80
5.4.370.0330.04018.75
5.4.360.0200.04718.80
5.4.350.0230.06318.69
5.4.340.0230.05018.62
5.4.320.0130.06018.50
5.4.310.0230.05018.78
5.4.300.0270.05318.78
5.4.290.0230.04718.77
5.4.280.0230.04718.77
5.4.270.0200.06018.50
5.4.260.0170.05718.73
5.4.250.0200.05318.71
5.4.240.0130.06318.58
5.4.230.0170.05018.69
5.4.220.0270.05318.51
5.4.210.0170.05318.61
5.4.200.0170.05716.51
5.4.190.0130.07018.46
5.4.180.0200.05318.70
5.4.170.0170.05718.54
5.4.160.0200.05018.76
5.4.150.0130.06018.60
5.4.140.0200.05016.45
5.4.130.0200.04316.32
5.4.120.0230.05016.19
5.4.110.0200.04716.41
5.4.100.0170.05716.23
5.4.90.0170.05716.19
5.4.80.0300.04716.15
5.4.70.0230.05316.39
5.4.60.0270.03716.18
5.4.50.0230.04016.26
5.4.40.0130.05716.22
5.4.30.0200.04716.24
5.4.20.0230.04716.23
5.4.10.0100.06316.39
5.4.00.0130.05315.73
5.3.290.0300.05014.66
5.3.280.0270.04314.57
5.3.270.0100.06014.59
5.3.260.0130.05714.65
5.3.250.0200.05014.72
5.3.240.0270.04314.59
5.3.230.0130.05314.49
5.3.220.0130.05314.60
5.3.210.0100.07014.59
5.3.200.0230.04314.69
5.3.190.0270.04314.62
5.3.180.0170.05314.55
5.3.170.0230.04714.48
5.3.160.0000.07014.54
5.3.150.0300.04314.48
5.3.140.0230.04314.55
5.3.130.0170.05314.65
5.3.120.0200.05314.53
5.3.110.0170.05314.50
5.3.100.0170.05713.98
5.3.90.0300.04014.03
5.3.80.0230.06013.93
5.3.70.0170.05013.93
5.3.60.0170.05013.92
5.3.50.0170.05013.92
5.3.40.0200.04713.94
5.3.30.0230.05313.99
5.3.20.0200.05313.66
5.3.10.0330.03313.55
5.3.00.0230.04313.64
5.2.170.0170.04011.12
5.2.160.0200.04011.09
5.2.150.0100.04711.07
5.2.140.0130.04311.11
5.2.130.0130.04311.16
5.2.120.0130.04311.14
5.2.110.0200.03311.04
5.2.100.0100.04311.05
5.2.90.0230.03011.05
5.2.80.0130.04011.13
5.2.70.0100.05011.09
5.2.60.0130.04311.19
5.2.50.0200.04010.96
5.2.40.0230.03310.98
5.2.30.0170.04311.14
5.2.20.0130.04010.91
5.2.10.0130.03710.88
5.2.00.0100.04310.73
5.1.60.0170.03010.02
5.1.50.0100.0339.96
5.1.40.0100.03710.03
5.1.30.0170.03010.43
5.1.20.0030.04310.45
5.1.10.0030.04310.04
5.1.00.0170.03010.11
5.0.50.0030.0378.57
5.0.40.0100.0238.39
5.0.30.0100.0508.25
5.0.20.0100.0278.21
5.0.10.0030.0308.39
5.0.00.0100.0408.20
4.4.90.0070.0205.90
4.4.80.0100.0205.86
4.4.70.0070.0305.87
4.4.60.0070.0205.90
4.4.50.0100.0175.88
4.4.40.0070.0335.92
4.4.30.0030.0235.90
4.4.20.0100.0175.96
4.4.10.0070.0205.92
4.4.00.0100.0305.93
4.3.110.0030.0235.85
4.3.100.0100.0175.80
4.3.90.0000.0275.83
4.3.80.0100.0305.82
4.3.70.0100.0175.79
4.3.60.0070.0205.89
4.3.50.0100.0175.81
4.3.40.0000.0375.76
4.3.30.0030.0234.60
4.3.20.0000.0274.62
4.3.10.0130.0204.60
4.3.00.0100.0178.74

preferences:
131.97 ms | 1394 KiB | 7 Q