3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pos = strpos('xyz','x'); echo isset($pos); echo "'$pos'";

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)
8.3.40.0140.00418.68
8.3.30.0170.00018.96
8.3.20.0040.00420.20
8.3.10.0000.00822.07
8.3.00.0030.00622.57
8.2.170.0040.01122.96
8.2.160.0130.01020.82
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0090.00926.16
8.2.120.0080.00317.38
8.2.110.0000.00922.17
8.2.100.0110.00017.72
8.2.90.0040.00419.26
8.2.80.0060.00317.97
8.2.70.0040.00417.38
8.2.60.0070.00017.80
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0050.00318.03
8.2.20.0000.00717.75
8.2.10.0000.00717.66
8.2.00.0060.00317.66
8.1.270.0060.00322.08
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0090.00023.92
8.1.230.0030.00718.97
8.1.220.0070.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0050.00317.28
8.1.180.0070.00018.64
8.1.170.0000.00818.40
8.1.160.0000.00722.00
8.1.150.0050.00218.57
8.1.140.0000.00717.38
8.1.130.0000.00917.69
8.1.120.0000.00717.41
8.1.110.0070.00017.26
8.1.100.0020.00517.35
8.1.90.0060.00317.29
8.1.80.0070.00017.43
8.1.70.0030.00317.41
8.1.60.0000.01117.41
8.1.50.0000.00717.36
8.1.40.0040.00417.48
8.1.30.0000.00817.57
8.1.20.0000.00817.52
8.1.10.0040.00417.46
8.1.00.0050.00317.45
8.0.300.0060.00318.77
8.0.290.0040.00417.16
8.0.280.0000.00718.45
8.0.270.0050.00317.16
8.0.260.0000.00716.80
8.0.250.0040.00316.95
8.0.240.0070.00016.93
8.0.230.0000.00816.91
8.0.220.0040.00416.92
8.0.210.0070.00016.77
8.0.200.0000.00716.96
8.0.190.0030.00316.81
8.0.180.0040.00416.75
8.0.170.0080.00016.77
8.0.160.0000.00816.75
8.0.150.0040.00416.81
8.0.140.0050.00216.83
8.0.130.0000.00513.27
8.0.120.0000.00716.78
8.0.110.0040.00416.91
8.0.100.0030.00516.93
8.0.90.0030.00516.83
8.0.80.0080.00616.88
8.0.70.0040.00416.94
8.0.60.0030.00316.84
8.0.50.0070.00016.77
8.0.30.0110.00816.97
8.0.20.0140.00717.40
8.0.10.0070.00016.95
8.0.00.0160.00516.74
7.4.330.0000.00515.00
7.4.320.0060.00016.57
7.4.300.0060.00016.28
7.4.290.0070.00016.38
7.4.280.0040.00416.31
7.4.270.0030.00316.53
7.4.260.0050.00616.48
7.4.250.0040.00416.32
7.4.240.0050.00216.39
7.4.230.0030.00316.63
7.4.220.0150.00316.59
7.4.210.0060.00916.53
7.4.200.0030.00316.63
7.4.190.0070.00016.66
7.4.160.0060.00916.60
7.4.150.0110.00717.40
7.4.140.0080.01217.86
7.4.130.0140.00916.29
7.4.120.0120.00816.36
7.4.110.0110.00716.50
7.4.100.0100.00716.44
7.4.90.0120.00616.66
7.4.80.0120.00619.39
7.4.70.0100.01016.67
7.4.60.0140.00816.45
7.4.50.0030.00616.54
7.4.40.0100.00722.77
7.4.30.0030.01316.36
7.4.00.0060.00614.85
7.3.330.0030.00313.00
7.3.320.0030.00312.84
7.3.310.0000.00716.07
7.3.300.0000.00816.21
7.3.290.0090.00616.22
7.3.280.0080.00816.21
7.3.270.0130.00317.40
7.3.260.0120.00616.23
7.3.250.0130.00716.20
7.3.240.0160.00616.19
7.3.230.0160.00616.39
7.3.210.0100.00616.20
7.3.200.0100.00619.39
7.3.190.0100.00716.49
7.3.180.0110.00516.55
7.3.170.0110.00716.39
7.3.160.0150.00016.50
7.3.120.0070.00814.56
7.3.10.0180.00316.34
7.3.00.0120.00616.33
7.2.330.0100.00716.34
7.2.320.0030.01416.61
7.2.310.0140.00416.32
7.2.300.0040.01116.46
7.2.290.0130.00316.66
7.2.130.0130.00816.41
7.2.120.0110.01216.18
7.2.110.0100.01216.50
7.2.100.0130.00516.59
7.2.90.0120.00716.27
7.2.80.0100.00816.65
7.2.70.0200.01416.86
7.2.60.0130.00816.20
7.2.50.0330.00816.40
7.2.40.0090.01016.43
7.2.30.0170.00416.31
7.2.20.0200.00716.47
7.2.10.0170.01016.69
7.2.00.0120.00717.62
7.1.250.0050.01315.28
7.1.100.0070.01318.08
7.1.70.0050.00317.21
7.1.60.0100.01319.82
7.1.50.0100.01416.65
7.1.00.0030.07722.54
7.0.200.0030.00516.75
7.0.140.0030.07321.99
7.0.80.0130.08020.13
7.0.70.0070.08019.89
7.0.60.0270.03719.86
7.0.50.0070.03720.36
7.0.40.0100.03720.04
7.0.30.0100.03720.16
7.0.20.0070.04020.18
7.0.10.0030.04020.13
7.0.00.0000.04720.18
5.6.280.0070.07021.09
5.6.230.0070.04320.62
5.6.220.0070.08020.62
5.6.210.0030.04320.43
5.6.200.0000.05721.03
5.6.190.0030.05020.95
5.6.180.0100.03320.93
5.6.170.0070.04021.06
5.6.160.0000.04321.09
5.6.150.0030.04021.05
5.6.140.0030.04721.01
5.6.130.0000.04021.01
5.6.120.0000.04721.05
5.6.110.0070.06321.05
5.6.100.0070.03320.91
5.6.90.0070.04021.14
5.6.80.0130.07020.44
5.6.70.0030.06320.39
5.6.60.0100.06020.42
5.6.50.0030.04020.29
5.6.40.0000.04320.37
5.6.30.0030.04020.27
5.6.20.0070.04320.42
5.6.10.0000.03720.45
5.6.00.0030.03320.28
5.5.370.0100.04320.39
5.5.360.0170.07020.34
5.5.350.0100.06720.41
5.5.340.0030.04720.63
5.5.330.0000.05020.80
5.5.320.0030.04020.75
5.5.310.0130.06020.73
5.5.300.0070.05020.72
5.5.290.0100.07720.85
5.5.280.0100.03720.79
5.5.270.0100.03320.74
5.5.260.0000.05020.71
5.5.250.0030.03720.53
5.5.240.0030.03720.28
5.5.230.0000.05320.12
5.5.220.0000.04320.25
5.5.210.0000.04720.27
5.5.200.0100.04020.27
5.5.190.0070.04020.26
5.5.180.0130.07020.23
5.5.160.0030.05020.15
5.5.150.0030.05320.25
5.5.140.0130.02720.21
5.5.130.0130.06720.17
5.5.120.0100.07020.20
5.5.110.0130.07720.12
5.5.100.0070.04020.13
5.5.90.0030.08020.00
5.5.80.0030.07719.96
5.5.70.0130.07020.15
5.5.60.0130.06719.99
5.5.50.0070.08019.93
5.5.40.0100.06720.05
5.5.30.0130.06720.13
5.5.20.0100.07720.01
5.5.10.0170.07320.01
5.5.00.0070.05320.04
5.4.450.0070.03719.23
5.4.440.0000.04319.29
5.4.430.0000.04319.13
5.4.420.0000.04319.38
5.4.410.0070.03319.14
5.4.400.0030.05719.08
5.4.390.0070.03019.09
5.4.380.0000.03719.06
5.4.370.0070.03318.78
5.4.360.0070.04018.81
5.4.350.0000.04018.98
5.4.340.0030.04019.11
5.4.320.0070.04319.12
5.4.310.0070.04318.95
5.4.300.0070.03319.07
5.4.290.0000.08318.97
5.4.280.0100.07019.12
5.4.270.0100.04319.14
5.4.260.0070.06319.14
5.4.250.0130.07319.02
5.4.240.0130.07319.02
5.4.230.0030.05719.07
5.4.220.0000.05019.22
5.4.210.0100.06719.22
5.4.200.0100.05719.09
5.4.190.0100.04719.04
5.4.180.0030.07019.07
5.4.170.0100.07319.01
5.4.160.0130.06719.21
5.4.150.0100.07319.09
5.4.140.0100.07316.36
5.4.130.0030.07316.05
5.4.120.0030.06716.38
5.4.110.0100.06716.27
5.4.100.0100.04016.30
5.4.90.0000.05016.22
5.4.80.0070.07016.31
5.4.70.0100.07316.31
5.4.60.0170.06716.28
5.4.50.0130.05716.18
5.4.40.0130.06716.29
5.4.30.0170.05716.34
5.4.20.0100.07316.26
5.4.10.0000.05716.19
5.4.00.0030.07015.57
5.3.290.0130.03014.57
5.3.280.0030.05014.52
5.3.270.0030.08014.42
5.3.260.0100.04314.55
5.3.250.0070.04014.59
5.3.240.0100.05314.55
5.3.230.0200.04714.54
5.3.220.0070.07314.38
5.3.210.0000.08314.47
5.3.200.0100.04314.55
5.3.190.0030.04014.51
5.3.180.0070.07014.41
5.3.170.0070.07714.55
5.3.160.0070.07314.44
5.3.150.0070.06314.54
5.3.140.0100.07314.54
5.3.130.0100.07014.47
5.3.120.0100.06314.45
5.3.110.0100.07314.54
5.3.100.0030.08013.86
5.3.90.0100.07313.87
5.3.80.0100.07014.01
5.3.70.0100.04313.87
5.3.60.0070.03713.96
5.3.50.0030.05013.90
5.3.40.0070.06313.90
5.3.30.0000.07713.66
5.3.20.0100.06713.54
5.3.10.0070.04013.52
5.3.00.0030.07313.58
5.2.170.0130.05711.64
5.2.160.0030.06011.64
5.2.150.0070.04711.64
5.2.140.0030.06711.64
5.2.130.0000.05311.64
5.2.120.0030.06311.64
5.2.110.0100.03011.64
5.2.100.0070.03711.64
5.2.90.0030.06311.64
5.2.80.0000.05011.64
5.2.70.0030.06011.64
5.2.60.0030.05311.64
5.2.50.0030.05311.64
5.2.40.0130.05011.64
5.2.30.0070.05711.64
5.2.20.0070.05711.64
5.2.10.0000.04011.64
5.2.00.0030.04311.64
5.1.60.0000.05711.64
5.1.50.0000.06311.64
5.1.40.0030.04011.64
5.1.30.0000.03311.64
5.1.20.0070.05311.64
5.1.10.0000.06011.64
5.1.00.0070.03011.64
5.0.50.0000.04011.64
5.0.40.0030.03011.64
5.0.30.0030.05711.64
5.0.20.0030.03311.64
5.0.10.0070.03311.64
5.0.00.0070.06011.64
4.4.90.0070.03311.64
4.4.80.0030.03311.64
4.4.70.0000.02311.64
4.4.60.0070.02311.64
4.4.50.0000.04011.64
4.4.40.0030.05711.64
4.4.30.0000.03711.64
4.4.20.0100.02711.64
4.4.10.0070.03311.64
4.4.00.0070.04311.64
4.3.110.0070.03311.64
4.3.100.0030.03011.64
4.3.90.0030.03311.64
4.3.80.0030.05011.64
4.3.70.0070.03011.64
4.3.60.0100.02011.64
4.3.50.0030.03311.64
4.3.40.0000.03311.64
4.3.30.0000.03711.64
4.3.20.0030.03711.64
4.3.10.0000.03711.64
4.3.00.0000.03711.64

preferences:
59.95 ms | 400 KiB | 5 Q