3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; echo ++a * $a++ + $a

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)
5.4.370.0100.03718.67
5.4.360.0070.04018.63
5.4.350.0030.04018.52
5.4.340.0070.04018.41
5.4.320.0070.04318.62
5.4.310.0170.03018.69
5.4.300.0070.04018.63
5.4.290.0130.03018.70
5.4.280.0030.04318.63
5.4.270.0070.03718.72
5.4.260.0100.03718.40
5.4.250.0130.03718.53
5.4.240.0070.04018.70
5.4.230.0030.04318.63
5.4.220.0130.03318.55
5.4.210.0170.04318.54
5.4.200.0130.03316.61
5.4.190.0030.04318.36
5.4.180.0100.03318.67
5.4.170.0100.03718.61
5.4.160.0100.03718.62
5.4.150.0070.04318.43
5.4.140.0000.04316.37
5.4.130.0100.03316.27
5.4.120.0070.03716.23
5.4.110.0070.03316.38
5.4.100.0070.04316.36
5.4.90.0100.04716.21
5.4.80.0100.03316.36
5.4.70.0070.03716.21
5.4.60.0070.03716.18
5.4.50.0100.03716.32
5.4.40.0070.03716.33
5.4.30.0070.03716.17
5.4.20.0100.04716.18
5.4.10.0070.04316.27
5.4.00.0100.03315.68
5.3.290.0100.04014.62
5.3.280.0030.06014.49
5.3.270.0070.04314.61
5.3.260.0130.03314.59
5.3.250.0070.04014.50
5.3.240.0130.04014.50
5.3.230.0100.04014.50
5.3.220.0100.03714.43
5.3.210.0170.04314.49
5.3.200.0070.05714.50
5.3.190.0070.04714.57
5.3.180.0100.04014.41
5.3.170.0030.04314.49
5.3.160.0130.03714.46
5.3.150.0100.03714.44
5.3.140.0030.04014.61
5.3.130.0030.05014.41
5.3.120.0200.02714.47
5.3.110.0170.03314.52
5.3.100.0030.04014.06
5.3.90.0100.03714.02
5.3.80.0070.03714.07
5.3.70.0070.03714.00
5.3.60.0030.04313.90
5.3.50.0030.04013.85
5.3.40.0100.03313.80
5.3.30.0070.04013.76
5.3.20.0070.03713.63
5.3.10.0100.03013.57
5.3.00.0170.02713.55
5.2.170.0100.02711.14
5.2.160.0070.03011.13
5.2.150.0030.03311.06
5.2.140.0070.02711.11
5.2.130.0030.03010.97
5.2.120.0130.02311.07
5.2.110.0070.03010.96
5.2.100.0100.03011.10
5.2.90.0030.03311.19
5.2.80.0100.03311.09
5.2.70.0070.03711.07
5.2.60.0030.03311.10
5.2.50.0100.02710.99
5.2.40.0030.03311.00
5.2.30.0070.03710.97
5.2.20.0100.03310.93
5.2.10.0030.04010.89
5.2.00.0070.04010.72
5.1.60.0070.0209.96
5.1.50.0030.0279.96
5.1.40.0100.0179.95
5.1.30.0030.02710.31
5.1.20.0070.02310.35
5.1.10.0030.02710.07
5.1.00.0030.02710.02
5.0.50.0000.0238.55
5.0.40.0030.0238.38
5.0.30.0030.0408.29
5.0.20.0000.0278.15
5.0.10.0100.0138.11
5.0.00.0030.0338.25
4.4.90.0070.0135.77
4.4.80.0030.0175.82
4.4.70.0000.0235.82
4.4.60.0030.0205.81
4.4.50.0070.0135.84
4.4.40.0030.0305.93
4.4.30.0030.0205.80
4.4.20.0000.0205.93
4.4.10.0000.0205.89
4.4.00.0000.0275.79
4.3.110.0070.0175.80
4.3.100.0000.0205.74
4.3.90.0030.0135.89
4.3.80.0030.0235.70
4.3.70.0000.0205.75
4.3.60.0030.0175.74
4.3.50.0030.0175.89
4.3.40.0000.0275.80
4.3.30.0000.0174.66
4.3.20.0030.0134.48
4.3.10.0000.0174.42
4.3.00.0070.0176.77

preferences:
143.88 ms | 1394 KiB | 7 Q