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run code in 300+ PHP versions simultaneously
<?php $f='posix_getpwuid'; $r1=function_exists('posix_getpwuid'); $r2=function_exists($f); var_dump($r1); var_dump($r2);

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)
8.3.60.0100.00718.54
8.3.50.0110.00822.05
8.3.40.0140.00018.71
8.3.30.0100.01019.02
8.3.20.0040.00420.04
8.3.10.0040.00423.48
8.3.00.0040.00418.89
8.2.180.0130.01016.32
8.2.170.0100.00322.96
8.2.160.0110.00822.18
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0070.00021.11
8.2.110.0000.01120.93
8.2.100.0090.00317.78
8.2.90.0040.00419.09
8.2.80.0030.00517.97
8.2.70.0060.00317.63
8.2.60.0030.00617.93
8.2.50.0040.00418.10
8.2.40.0000.00818.03
8.2.30.0080.00017.84
8.2.20.0000.00717.48
8.2.10.0070.00018.10
8.2.00.0040.00417.58
8.1.280.0070.00725.92
8.1.270.0000.00818.75
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.92
8.1.230.0100.00317.70
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00717.10
8.1.180.0060.00318.10
8.1.170.0030.00518.49
8.1.160.0040.00421.93
8.1.150.0000.00818.73
8.1.140.0040.00417.28
8.1.130.0000.01017.82
8.1.120.0000.00717.38
8.1.110.0000.00817.32
8.1.100.0000.00817.37
8.1.90.0070.00017.40
8.1.80.0050.00317.35
8.1.70.0030.00317.27
8.1.60.0040.00417.50
8.1.50.0030.00617.44
8.1.40.0050.00217.46
8.1.30.0050.00517.59
8.1.20.0000.00717.46
8.1.10.0000.00817.51
8.1.00.0080.00017.40
8.0.300.0060.00318.77
8.0.290.0000.00716.58
8.0.280.0070.00018.32
8.0.270.0000.00816.74
8.0.260.0030.00317.11
8.0.250.0000.00716.75
8.0.240.0030.00316.88
8.0.230.0040.00416.86
8.0.220.0030.00316.78
8.0.210.0000.00716.68
8.0.200.0030.00316.75
8.0.190.0040.00416.77
8.0.180.0070.00016.77
8.0.170.0040.00416.83
8.0.160.0040.00416.88
8.0.150.0000.00716.73
8.0.140.0070.00016.78
8.0.130.0030.00313.20
8.0.120.0060.00316.69
8.0.110.0050.00316.82
8.0.100.0050.00316.70
8.0.90.0030.00616.73
8.0.80.0070.00816.77
8.0.70.0040.00416.77
8.0.60.0000.00816.81
8.0.50.0000.00816.88
8.0.30.0120.00716.98
8.0.20.0120.00617.40
8.0.10.0040.00416.98
8.0.00.0090.01016.66
7.4.330.0030.00315.09
7.4.320.0030.00316.35
7.4.300.0030.00316.40
7.4.290.0040.00416.41
7.4.280.0000.00716.42
7.4.270.0070.00016.54
7.4.260.0030.00316.50
7.4.250.0000.00816.50
7.4.240.0020.00516.47
7.4.230.0040.00416.53
7.4.220.0130.01016.40
7.4.210.0090.01016.61
7.4.200.0000.00716.34
7.4.160.0120.00316.34
7.4.150.0100.00717.40
7.4.140.0140.00317.86
7.4.130.0070.01016.38
7.4.120.0090.01016.32
7.4.110.0110.01416.47
7.4.100.0030.01916.39
7.4.90.0140.00316.61
7.4.80.0040.01419.39
7.4.70.0170.00416.40
7.4.60.0070.00416.45
7.4.50.0040.00416.64
7.4.40.0060.01216.37
7.4.30.0060.01616.45
7.4.00.0120.00314.60
7.3.330.0000.00612.88
7.3.320.0050.00013.02
7.3.310.0040.00415.96
7.3.300.0030.00316.17
7.3.290.0050.01116.13
7.3.280.0080.01116.15
7.3.270.0030.01517.40
7.3.260.0180.00616.35
7.3.250.0110.00616.09
7.3.240.0130.00316.21
7.3.230.0000.01616.39
7.3.210.0160.00616.14
7.3.200.0030.01619.39
7.3.190.0110.00816.54
7.3.180.0100.00716.21
7.3.170.0060.01316.30
7.3.160.0110.00516.23
7.3.10.0000.01216.12
7.3.00.0030.01016.72
7.2.330.0180.00716.41
7.2.320.0030.01316.23
7.2.310.0070.01416.42
7.2.300.0140.00516.36
7.2.290.0060.01216.50
7.2.130.0090.00016.91
7.2.120.0030.00916.92
7.2.110.0060.00916.75
7.2.100.0030.01316.45
7.2.90.0100.00716.55
7.2.80.0120.00316.76
7.2.70.0130.01016.43
7.2.60.0040.01416.86
7.2.50.0000.01116.60
7.2.40.0030.00716.71
7.2.30.0120.00316.85
7.2.20.0000.00916.83
7.2.10.0040.00416.46
7.2.00.0080.00618.09
7.1.250.0070.00315.61
7.1.100.0000.01118.15
7.1.70.0000.00716.75
7.1.60.0100.01419.22
7.1.50.0080.01216.78
7.1.00.0070.07022.40
7.0.200.0030.00316.66
7.0.140.0100.06322.18
7.0.60.0030.08719.91
7.0.50.0030.05017.80
7.0.40.0100.07720.07
7.0.30.0530.05020.22
7.0.20.0470.05320.33
7.0.10.0030.05320.18
7.0.00.0130.08020.05
5.6.280.0000.07021.06
5.6.210.0100.08320.62
5.6.200.0030.04718.08
5.6.190.0100.09020.47
5.6.180.3270.03320.57
5.6.170.0300.07720.54
5.6.160.0100.05020.49
5.6.150.0000.05018.18
5.6.140.0130.05318.09
5.6.130.0070.08018.20
5.6.120.0100.08020.95
5.6.110.0030.05720.97
5.6.100.0030.08320.97
5.6.90.0130.04720.97
5.6.80.0070.07720.36
5.6.70.0230.04720.49
5.5.350.0000.04320.43
5.5.340.0070.03717.98
5.5.330.0030.06720.57
5.5.320.0100.04720.24
5.5.310.0270.04320.41
5.5.300.0070.04717.98
5.5.290.0100.07717.98
5.5.280.0130.06320.79
5.5.270.0070.06720.78
5.5.260.0000.04320.67
5.5.250.0030.06720.49
5.5.240.0030.08020.27
5.4.450.0770.07019.44
5.4.440.0800.06019.55
5.4.430.0730.05719.51
5.4.420.0100.05319.54
5.4.410.0670.05719.50
5.4.400.0700.05018.90
5.4.390.0400.07018.70
5.4.380.0400.06318.68
5.4.370.0370.05318.61
5.4.360.0270.06018.70
5.4.350.0430.05718.74
5.4.340.0470.06718.69
5.4.320.0230.06318.73
5.4.310.0370.05018.52
5.4.300.0470.04718.55
5.4.290.0300.06018.50
5.4.280.0300.06018.59
5.4.270.0370.07318.46
5.4.260.0500.05318.57
5.4.250.0500.06718.64
5.4.240.0370.06018.71
5.4.230.0370.07318.63
5.4.220.0500.06718.63
5.4.210.0570.06318.55
5.4.200.0430.06716.53
5.4.190.0300.05018.47
5.4.180.0430.05718.59
5.4.170.0430.06018.68
5.4.160.0430.06718.72
5.4.150.0300.06018.62
5.4.140.0230.07716.15
5.4.130.0470.06716.21
5.4.120.0300.06016.14
5.4.110.0400.05016.16
5.4.100.0430.05316.12
5.4.90.0330.05716.24
5.4.80.0400.04016.17
5.4.70.0230.06016.10
5.4.60.0270.06016.16
5.4.50.0630.05316.04
5.4.40.0470.04316.22
5.4.30.0230.07016.41
5.4.20.0500.04316.21
5.4.10.0570.05716.07
5.4.00.0430.05315.62
5.3.290.0470.06714.69
5.3.280.0430.06714.50
5.3.270.0630.06714.70
5.3.260.0370.08014.65
5.3.250.0500.06014.50
5.3.240.0430.07014.59
5.3.230.0370.07014.50
5.3.220.0500.07314.66
5.3.210.0430.06714.47
5.3.200.0430.07014.54
5.3.190.0270.05714.59
5.3.180.0530.05714.49
5.3.170.0470.04714.65
5.3.160.0330.05014.55
5.3.150.0470.05014.59
5.3.140.0430.05014.58
5.3.130.0270.07314.45
5.3.120.0370.05314.57
5.3.110.0430.06014.53
5.3.100.0600.06014.13
5.3.90.0430.06714.01
5.3.80.0130.05714.01
5.3.70.0230.05014.09
5.3.60.0430.05313.92
5.3.50.0270.05713.85
5.3.40.0430.05713.95
5.3.30.0370.05313.81
5.3.20.0400.04313.64
5.3.10.0200.05313.63
5.3.00.0330.05013.57
5.2.170.0330.05711.07
5.2.160.0400.05711.06
5.2.150.0230.04711.30
5.2.140.0470.05711.18
5.2.130.0300.04011.13
5.2.120.0230.04711.27
5.2.110.0370.05711.25
5.2.100.0300.03711.06
5.2.90.0370.04011.01
5.2.80.0330.05711.02
5.2.70.0470.06311.13
5.2.60.0430.05011.00
5.2.50.0330.05010.97
5.2.40.0300.05010.90
5.2.30.0170.04010.88
5.2.20.0300.04011.02
5.2.10.0300.03711.01
5.2.00.0300.04710.72
5.1.60.0400.05010.01
5.1.50.0170.04310.02
5.1.40.0330.03310.08
5.1.30.0200.04310.30
5.1.20.0330.03310.32
5.1.10.0230.03710.09
5.1.00.0100.04310.18
5.0.50.0200.0278.54
5.0.40.0130.0378.46
5.0.30.0300.0508.25
5.0.20.0200.0238.19
5.0.10.0100.0308.19
5.0.00.0100.0438.19
4.4.90.0030.0275.93
4.4.80.0100.0275.89
4.4.70.0230.0205.81
4.4.60.0070.0335.85
4.4.50.0130.0305.96
4.4.40.0170.0435.88
4.4.30.0070.0375.88
4.4.20.0170.0275.95
4.4.10.0170.0305.97
4.4.00.0100.0435.89
4.3.110.0200.0275.80
4.3.100.0070.0235.74
4.3.90.0100.0235.78
4.3.80.0200.0375.79
4.3.70.0030.0335.86
4.3.60.0130.0305.82
4.3.50.0030.0375.79
4.3.40.0100.0435.75
4.3.30.0170.0234.57
4.3.20.0130.0204.53
4.3.10.0130.0174.51
4.3.00.0170.0276.70

preferences:
53.02 ms | 401 KiB | 5 Q