3v4l.org

run code in 300+ PHP versions simultaneously
<?php $newstring = 'abcdef abcdef'; $pos = strpos($newstring, 'ab', 0); echo $pos;// $pos = 7, not 0 ?>

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)
8.3.60.0070.00716.50
8.3.50.0130.00617.08
8.3.40.0040.01118.71
8.3.30.0110.00418.62
8.3.20.0040.00418.60
8.3.10.0080.00020.48
8.3.00.0040.00419.25
8.2.180.0100.01016.63
8.2.170.0110.00322.96
8.2.160.0160.00321.02
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.83
8.2.110.0070.00321.13
8.2.100.0060.00617.72
8.2.90.0060.00619.36
8.2.80.0080.00019.36
8.2.70.0080.00017.38
8.2.60.0080.00018.03
8.2.50.0060.00618.07
8.2.40.0000.00818.04
8.2.30.0040.00418.05
8.2.20.0000.00717.51
8.2.10.0040.00417.69
8.2.00.0040.00417.69
8.1.280.0180.01525.92
8.1.270.0000.00724.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.01322.59
8.1.230.0040.00820.66
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0080.00417.23
8.1.190.0050.00317.40
8.1.180.0040.00418.10
8.1.170.0040.00418.83
8.1.160.0100.00018.74
8.1.150.0040.00418.63
8.1.140.0000.00717.29
8.1.130.0040.00417.88
8.1.120.0090.00017.44
8.1.110.0040.00417.39
8.1.100.0040.00317.42
8.1.90.0030.00417.41
8.1.80.0030.00417.41
8.1.70.0030.00317.34
8.1.60.0040.00417.55
8.1.50.0030.00617.28
8.1.40.0050.00317.47
8.1.30.0040.00417.60
8.1.20.0070.00017.43
8.1.10.0040.00417.42
8.1.00.0040.00417.40
8.0.300.0000.00819.89
8.0.290.0040.00416.63
8.0.280.0080.00018.49
8.0.270.0040.00417.24
8.0.260.0030.00316.73
8.0.250.0090.00016.90
8.0.240.0050.00316.93
8.0.230.0000.00716.93
8.0.220.0030.00316.80
8.0.210.0000.00716.81
8.0.200.0030.00316.78
8.0.190.0000.00716.87
8.0.180.0040.00416.87
8.0.170.0080.00016.73
8.0.160.0000.00816.85
8.0.150.0000.00916.81
8.0.140.0060.00316.75
8.0.130.0000.00613.22
8.0.120.0040.00416.69
8.0.110.0000.00716.75
8.0.100.0030.00416.68
8.0.90.0000.00716.79
8.0.80.0060.00916.86
8.0.70.0030.00316.95
8.0.60.0040.00416.82
8.0.50.0050.00216.84
8.0.30.0080.01116.83
8.0.20.0130.00516.96
8.0.10.0030.00316.89
8.0.00.0140.00616.62
7.4.330.0050.00013.04
7.4.320.0060.00316.53
7.4.300.0030.00316.45
7.4.290.0070.00016.39
7.4.280.0070.00016.45
7.4.270.0030.00316.51
7.4.260.0020.00213.23
7.4.250.0050.00316.43
7.4.240.0000.00716.43
7.4.230.0040.00416.41
7.4.220.0110.00716.43
7.4.210.0090.00616.53
7.4.200.0070.00016.64
7.4.190.0030.00316.68
7.4.160.0120.00816.50
7.4.150.0140.01116.39
7.4.140.0030.01416.38
7.4.130.0110.00916.39
7.4.120.0050.01416.47
7.4.110.0070.01016.57
7.4.100.0070.01016.58
7.4.90.0060.01216.29
7.4.80.0120.00919.39
7.4.70.0150.00016.45
7.4.60.0130.00316.24
7.4.50.0000.01116.16
7.4.40.0030.01316.43
7.4.30.0120.00716.32
7.4.00.0030.01314.87
7.3.330.0000.00613.05
7.3.320.0030.00312.93
7.3.310.0070.00016.18
7.3.300.0060.00016.22
7.3.290.0090.00616.15
7.3.280.0100.00916.24
7.3.270.0070.01016.25
7.3.260.0070.01116.56
7.3.250.0110.00616.49
7.3.240.0070.00716.20
7.3.230.0130.00916.21
7.3.210.0080.00916.15
7.3.200.0120.00616.55
7.3.190.0120.00616.44
7.3.180.0100.00616.15
7.3.170.0150.00316.50
7.3.160.0040.01216.41
7.3.120.0000.01714.73
7.2.330.0170.00316.66
7.2.320.0100.00716.43
7.2.310.0080.01416.52
7.2.300.0030.01416.61
7.2.290.0070.01016.31
7.2.60.0060.00816.77
7.1.200.0030.00915.71
7.1.100.0080.00318.27
7.1.70.0070.01016.88
7.1.60.0130.01019.40
7.1.50.0060.01516.82
7.1.00.0000.04322.43
7.0.200.0030.00716.64
7.0.140.0070.07022.15
7.0.120.0100.07022.05
7.0.60.0400.05719.94
7.0.50.0000.04317.84
7.0.40.0100.07020.26
7.0.30.0100.08320.13
7.0.20.0100.08320.18
7.0.10.0130.07320.08
7.0.00.0000.07320.29
5.6.280.0030.07320.80
5.6.210.0130.07720.60
5.6.200.0200.06318.13
5.6.190.0100.04020.57
5.6.180.0100.05320.39
5.6.170.0100.04320.55
5.6.160.0030.06020.38
5.6.150.0100.03720.10
5.6.140.0070.06720.28
5.6.130.0070.09020.43
5.6.120.0030.06020.10
5.6.110.0030.07720.36
5.6.100.0170.06020.36
5.6.90.0070.05020.32
5.6.80.0070.08319.51
5.6.70.0070.05019.74
5.6.60.0030.07019.78
5.6.50.0030.05719.70
5.6.40.0130.03719.73
5.6.30.0100.06319.79
5.6.20.0070.08019.75
5.6.10.0100.05319.80
5.6.00.0030.04319.56
5.5.350.0100.07720.38
5.5.340.0070.08317.98
5.5.330.0100.05720.23
5.5.320.0070.08720.13
5.5.310.0030.04320.28
5.5.300.0070.08319.97
5.5.290.0170.07020.12
5.5.280.0130.05320.11
5.5.270.0130.05320.16
5.5.260.0070.04720.12
5.5.250.0030.05020.06
5.5.240.0070.07319.29
5.5.230.0100.07719.35
5.5.220.0100.07719.35
5.5.210.0070.04019.30
5.5.200.0030.05319.25
5.5.190.0030.04719.52
5.5.180.0000.04719.37
5.5.160.0000.05019.42
5.5.150.0030.04019.32
5.5.140.0070.08719.32
5.5.130.0070.06319.25
5.5.120.0130.06719.55
5.5.110.0030.04719.51
5.5.100.0100.05019.42
5.5.90.0130.04719.38
5.5.80.0030.04719.16
5.5.70.0100.03319.34
5.5.60.0070.07719.35
5.5.50.0030.06319.14
5.5.40.0100.06319.46
5.5.30.0070.04319.21
5.5.20.0030.04319.54
5.5.10.0100.03319.24
5.5.00.0030.07319.40
5.4.450.0100.07019.33
5.4.440.0130.05319.50
5.4.430.0030.04719.11
5.4.420.0100.07019.44
5.4.410.0100.06019.11
5.4.400.0100.04319.14
5.4.390.0070.03718.81
5.4.380.0100.06018.81
5.4.370.0100.04319.08
5.4.360.0130.04719.18
5.4.350.0000.07719.18
5.4.340.0000.04319.15
5.4.320.0100.03719.18
5.4.310.0000.04018.79
5.4.300.0030.04019.18
5.4.290.0000.04319.17
5.4.280.0030.07719.17
5.4.270.0100.07019.08
5.4.260.0100.03318.79
5.4.250.0100.07319.14
5.4.240.0000.04018.91
5.4.230.0000.04318.80
5.4.220.0070.07719.11
5.4.210.0130.03718.80
5.4.200.0200.06719.17
5.4.190.0030.04019.07
5.4.180.0030.04019.17
5.4.170.0030.08019.17
5.4.160.0100.05719.15
5.4.150.0000.08718.76
5.4.140.0070.04316.43
5.4.130.0070.07716.47
5.4.120.0100.07316.16
5.4.110.0070.06716.30
5.4.100.0070.03316.43
5.4.90.0100.06716.37
5.4.80.0030.07716.23
5.4.70.0100.06316.13
5.4.60.0030.04316.21
5.4.50.0130.06016.38
5.4.40.0070.06316.34
5.4.30.0070.07316.25
5.4.20.0130.06716.21
5.4.10.0030.07316.25
5.4.00.0100.07715.80
5.3.290.0070.03714.68
5.3.280.0030.03714.46
5.3.270.0170.06314.57
5.3.260.0070.06314.48
5.3.250.0000.08714.52
5.3.240.0030.05014.69
5.3.230.0130.07014.38
5.3.220.0030.07314.50
5.3.210.0030.07714.48
5.3.200.0130.07014.44
5.3.190.0100.07314.38
5.3.180.0030.04314.50
5.3.170.0200.03314.57
5.3.160.0100.06714.34
5.3.150.0030.04714.38
5.3.140.0070.07014.49
5.3.130.0100.06714.48
5.3.120.0000.07714.42
5.3.110.0100.04314.47
5.3.100.0070.05713.98
5.3.90.0030.06714.02
5.3.80.0170.06713.95
5.3.70.0100.07713.95
5.3.60.0030.07013.93
5.3.50.0130.06713.87
5.3.40.0030.04313.87
5.3.30.0070.03713.83
5.3.20.0100.05313.48
5.3.10.0070.07013.58
5.3.00.0000.04013.57
5.2.170.0100.03311.12
5.2.160.0030.05311.29
5.2.150.0000.04310.96
5.2.140.0030.04311.10
5.2.130.0070.03311.04
5.2.120.0030.04711.06
5.2.110.0070.05711.03
5.2.100.0030.03711.03
5.2.90.0000.03710.99
5.2.80.0030.03310.99
5.2.70.0100.05311.24
5.2.60.0030.06310.94
5.2.50.0000.04710.90
5.2.40.0070.06010.92
5.2.30.0200.05010.87
5.2.20.0070.04311.11
5.2.10.0130.02010.91
5.2.00.0030.02710.74
5.1.60.0100.0209.98
5.1.50.0000.0279.95
5.1.40.0000.0279.92
5.1.30.0030.02710.36
5.1.20.0030.02310.31
5.1.10.0000.02710.11
5.1.00.0000.0279.96
5.0.50.0000.0308.53
5.0.40.0000.0208.38
5.0.30.0030.0278.25
5.0.20.0000.0208.21
5.0.10.0030.0208.22
5.0.00.0000.0308.15
4.4.90.0030.0176.66
4.4.80.0030.0336.66
4.4.70.0000.0206.66
4.4.60.0000.0176.66
4.4.50.0000.0306.66
4.4.40.0000.0236.66
4.4.30.0070.0106.66
4.4.20.0030.0136.66
4.4.10.0000.0176.66
4.4.00.0030.0236.66
4.3.110.0030.0136.66
4.3.100.0000.0206.66
4.3.90.0000.0136.66
4.3.80.0000.0236.66
4.3.70.0000.0136.66
4.3.60.0000.0136.66
4.3.50.0000.0206.66
4.3.40.0000.0236.66
4.3.30.0000.0176.66
4.3.20.0030.0136.66
4.3.10.0030.0136.66
4.3.00.0030.0136.66

preferences:
75.21 ms | 401 KiB | 5 Q