3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = 'foo'; $1a = 'bar';

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)
8.0.110.0030.00416.79
8.0.100.0030.00416.77
8.0.90.0040.00416.81
8.0.80.0040.00316.79
8.0.70.0040.00416.81
8.0.60.0040.00316.83
8.0.50.0020.00516.81
8.0.30.0030.00416.76
8.0.20.0020.00516.82
8.0.10.0050.00216.86
8.0.00.0030.00516.89
7.4.240.0020.00516.34
7.4.230.0030.00416.39
7.4.220.0040.00316.40
7.4.210.0020.00416.38
7.4.200.0020.00516.35
7.4.190.0040.00316.41
7.4.180.0030.00416.41
7.4.160.0030.00416.46
7.4.150.0030.00416.35
7.4.140.0040.00316.25
7.4.130.0040.00316.22
7.4.120.0040.00316.22
7.4.110.0020.00516.22
7.4.100.0020.00516.34
7.4.90.0030.00516.24
7.4.80.0030.00416.22
7.4.70.0020.00416.22
7.4.60.0030.00416.21
7.4.50.0040.00216.17
7.4.40.0030.00416.11
7.4.30.0020.00516.22
7.4.20.0030.00416.23
7.4.10.0030.00316.17
7.4.00.0040.00316.22
7.3.310.0020.00516.10
7.3.300.0020.00416.17
7.3.290.0030.00416.10
7.3.280.0040.00216.13
7.3.270.0030.00316.12
7.3.260.0050.00216.18
7.3.250.0030.00416.15
7.3.240.0030.00416.11
7.3.230.0030.00416.14
7.3.220.0020.00416.09
7.3.210.0030.00416.10
7.3.200.0020.00516.14
7.3.190.0020.00416.08
7.3.180.0040.00316.07
7.3.170.0040.00316.07
7.3.160.0030.00416.08
7.3.150.0030.00316.05
7.3.140.0040.00316.10
7.3.130.0040.00316.06
7.3.120.0010.00516.11
7.3.110.0030.00416.07
7.3.100.0050.00216.07
7.3.90.0030.00416.29
7.3.80.0030.00516.09
7.3.70.0010.00616.17
7.3.60.0050.00316.24
7.3.50.0030.00416.12
7.3.40.0020.00516.12
7.3.30.0020.00416.21
7.3.20.0020.00518.07
7.3.10.0040.00417.95
7.3.00.0020.00517.92
7.2.340.0040.00416.15
7.2.330.0020.00516.08
7.2.320.0030.00416.08
7.2.310.0020.00516.09
7.2.300.0030.00316.04
7.2.290.0030.00416.11
7.2.280.0040.00316.08
7.2.270.0020.00516.06
7.2.260.0030.00416.07
7.2.250.0020.00516.10
7.2.240.0020.00516.10
7.2.230.0040.00316.09
7.2.220.0020.00516.09
7.2.210.0040.00316.05
7.2.200.0010.00616.19
7.2.190.0030.00416.23
7.2.180.0030.00416.25
7.2.170.0020.00516.26
7.2.160.0030.00416.26
7.2.150.0050.00318.14
7.2.140.0020.00618.20
7.2.130.0040.00418.28
7.2.120.0030.00418.27
7.2.110.0030.00418.20
7.2.100.0040.00418.22
7.2.90.0070.00517.68
7.2.80.0530.00517.75
7.2.70.0340.00617.78
7.2.60.0380.00617.76
7.2.50.0340.00417.70
7.2.40.0310.00517.82
7.2.30.0280.00617.75
7.2.20.0050.00417.86
7.2.10.0340.00417.83
7.2.00.0240.00517.84
7.1.330.0030.00417.14
7.1.320.0030.00517.13
7.1.310.0030.00417.12
7.1.300.0020.00517.13
7.1.290.0040.00317.07
7.1.280.0030.00417.09
7.1.270.0020.00517.12
7.1.260.0020.00517.03
7.1.250.0030.00417.00
7.1.240.0030.00416.98
7.1.230.0020.00517.12
7.1.220.0040.00317.00
7.1.210.0030.00516.60
7.1.200.0590.00416.67
7.1.190.0490.00416.70
7.1.180.0400.00416.65
7.1.170.0390.00416.60
7.1.160.0340.00316.61
7.1.150.0310.00416.63
7.1.140.0290.00616.62
7.1.130.0360.00416.62
7.1.120.0180.00616.63
7.1.110.0270.00416.57
7.1.100.0170.00516.55
7.1.90.0570.00516.57
7.1.80.0420.00416.58
7.1.70.0380.00416.59
7.1.60.0470.00418.52
7.1.50.0570.00418.68
7.1.40.0690.00518.72
7.1.30.0540.00418.61
7.1.20.0540.00418.59
7.1.10.0560.00416.55
7.1.00.0440.00416.52
7.0.330.0020.00516.76
7.0.320.0040.00316.81
7.0.310.0020.00516.78
7.0.300.0040.00316.77
7.0.290.0040.00316.81
7.0.280.0030.00416.78
7.0.270.0030.00416.79
7.0.260.0030.00316.74
7.0.250.0040.00316.98
7.0.240.0020.00516.88
7.0.230.0040.00316.93
7.0.220.0030.00416.79
7.0.210.0030.00416.89
7.0.200.0040.00216.85
7.0.190.0040.00316.84
7.0.180.0040.00316.80
7.0.170.0030.00416.92
7.0.160.0020.00416.76
7.0.150.0020.00516.79
7.0.140.0020.00516.78
7.0.130.0030.00416.89
7.0.120.0030.00416.89
7.0.110.0020.00416.76
7.0.100.0020.00416.72
7.0.90.0040.00316.65
7.0.80.0020.00416.75
7.0.70.0030.00416.73
7.0.60.0030.00416.73
7.0.50.0040.00316.76
7.0.40.0030.00416.76
7.0.30.0030.00316.76
7.0.20.0030.00416.81
7.0.10.0030.00416.76
7.0.00.0020.00516.76
5.6.400.0030.00315.54
5.6.390.0040.00315.49
5.6.380.0020.00415.53
5.6.370.0030.00415.59
5.6.360.0020.00415.55
5.6.350.0030.00315.50
5.6.340.0020.00415.58
5.6.330.0040.00215.53
5.6.320.0040.00315.59
5.6.310.0030.00415.52
5.6.300.0030.00415.43
5.6.290.0030.00315.55
5.6.280.0020.00515.61
5.6.270.0040.00315.56
5.6.260.0030.00315.56
5.6.250.0030.00415.55
5.6.240.0040.00315.51
5.6.230.0010.00515.56
5.6.220.0030.00415.59
5.6.210.0020.00415.53
5.6.200.0020.00515.76
5.6.190.0030.00315.70
5.6.180.0040.00215.64
5.6.170.0020.00415.66
5.6.160.0030.00315.68
5.6.150.0030.00415.66
5.6.140.0020.00515.60
5.6.130.0020.00415.54
5.6.120.0010.00515.59
5.6.110.0030.00415.52
5.6.100.0040.00315.51
5.6.90.0030.00315.52
5.6.80.0030.00315.53
5.6.70.0020.00515.56
5.6.60.0010.00615.63
5.6.50.0020.00415.49
5.6.40.0020.00515.53
5.6.30.0030.00415.51
5.6.20.0020.00415.46
5.6.10.0040.00215.52
5.6.00.0030.00315.54

preferences:
145.72 ms | 1394 KiB | 7 Q