3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pos = substr ( '10234523452_:_Please confirm' , 0, strpos('10_:_Please confirm', '_:_') ); 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)
8.3.60.0180.00018.18
8.3.50.0140.00721.99
8.3.40.0140.00418.54
8.3.30.0030.01018.84
8.3.20.0070.00020.07
8.3.10.0000.00823.66
8.3.00.0040.00418.89
8.2.180.0150.00018.16
8.2.170.0080.00622.96
8.2.160.0070.00720.57
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.68
8.2.110.0060.00322.28
8.2.100.0040.00817.66
8.2.90.0000.00817.91
8.2.80.0030.00519.16
8.2.70.0040.00417.93
8.2.60.0000.00918.16
8.2.50.0000.00818.10
8.2.40.0000.00819.33
8.2.30.0040.00419.21
8.2.20.0030.00517.57
8.2.10.0020.00518.04
8.2.00.0070.00017.57
8.1.280.0150.00625.92
8.1.270.0040.00418.88
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00623.97
8.1.230.0030.00922.71
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.00
8.1.180.0000.00818.10
8.1.170.0050.00318.50
8.1.160.0000.00718.99
8.1.150.0030.00618.72
8.1.140.0040.00417.32
8.1.130.0040.00417.80
8.1.120.0070.00017.28
8.1.110.0000.00817.38
8.1.100.0000.00717.26
8.1.90.0050.00317.37
8.1.80.0000.00717.40
8.1.70.0030.00317.47
8.1.60.0060.00317.42
8.1.50.0040.00417.46
8.1.40.0000.00817.48
8.1.30.0090.00017.68
8.1.20.0050.00217.48
8.1.10.0040.00417.54
8.1.00.0040.00417.36
8.0.300.0040.00421.95
8.0.290.0040.00416.63
8.0.280.0030.00318.48
8.0.270.0030.00517.32
8.0.260.0030.00317.36
8.0.250.0000.00616.96
8.0.240.0040.00416.84
8.0.230.0070.00016.81
8.0.220.0040.00416.82
8.0.210.0020.00516.82
8.0.200.0030.00316.85
8.0.190.0040.00416.88
8.0.180.0040.00416.84
8.0.170.0000.00716.86
8.0.160.0070.00016.75
8.0.150.0000.00916.63
8.0.140.0000.00816.84
8.0.130.0000.00613.28
8.0.120.0080.00016.82
8.0.110.0000.00716.71
8.0.100.0040.00416.86
8.0.90.0040.00416.69
8.0.80.0110.00416.81
8.0.70.0000.00716.66
8.0.60.0000.00816.84
8.0.50.0030.00516.88
8.0.30.0120.00917.09
8.0.20.0140.00517.40
8.0.10.0000.00716.73
8.0.00.0110.00616.50
7.4.330.0000.00615.06
7.4.320.0000.00816.43
7.4.300.0030.00316.32
7.4.290.0070.00016.57
7.4.280.0000.00716.33
7.4.270.0070.00016.32
7.4.260.0000.01016.41
7.4.250.0080.00016.44
7.4.240.0070.00016.50
7.4.230.0000.00716.36
7.4.220.0160.00316.39
7.4.210.0120.00616.49
7.4.200.0070.00016.64
7.4.160.0090.00916.24
7.4.150.0070.01117.40
7.4.140.0080.01117.86
7.4.130.0070.01116.41
7.4.120.0020.01516.28
7.4.110.0160.00716.64
7.4.100.0180.00016.30
7.4.90.0150.00416.48
7.4.80.0180.00419.39
7.4.70.0060.01316.60
7.4.60.0030.01316.33
7.4.50.0000.00916.45
7.4.40.0130.01016.33
7.4.30.0030.01716.54
7.4.00.0090.00614.64
7.3.330.0000.00613.08
7.3.320.0020.00213.18
7.3.310.0000.00716.15
7.3.300.0000.00616.14
7.3.290.0050.01116.23
7.3.280.0120.00716.17
7.3.270.0140.00317.40
7.3.260.0100.00716.54
7.3.250.0100.00716.34
7.3.240.0100.00716.09
7.3.230.0090.01216.39
7.3.210.0190.00316.29
7.3.200.0100.00719.39
7.3.190.0070.01116.29
7.3.180.0080.00816.49
7.3.170.0160.00616.34
7.3.160.0090.00616.44
7.2.330.0070.01016.36
7.2.320.0070.01016.29
7.2.310.0080.00816.64
7.2.300.0140.00316.38
7.2.290.0180.00316.68
7.2.60.0030.00716.80
7.1.200.0140.00415.78
7.1.70.0000.01417.04
7.1.60.0060.01919.22
7.1.50.0100.01034.77
7.1.00.0130.06722.29
7.0.200.0030.00616.77
7.0.140.0000.05722.17
7.0.60.0100.08719.92
7.0.50.0000.05017.91
7.0.40.0030.04320.06
7.0.30.0230.05020.33
7.0.20.0070.05020.33
7.0.10.0070.07020.13
7.0.00.0130.08020.00
5.6.210.0030.04020.65
5.6.200.0130.06318.11
5.6.190.0030.08720.33
5.6.180.0100.07720.67
5.6.170.0200.04020.33
5.6.160.0100.07320.39
5.6.150.0000.08718.11
5.6.140.0100.04318.18
5.6.130.0070.08018.13
5.6.120.0000.08020.98
5.6.110.0130.08020.88
5.6.100.0070.05721.00
5.6.90.0130.05021.11
5.6.80.0100.08020.28
5.5.350.4070.03720.48
5.5.340.0000.08718.02
5.5.330.0100.03720.23
5.5.320.0630.06320.51
5.5.310.0170.04320.26
5.5.300.0030.05018.00
5.5.290.0000.04718.01
5.5.280.0030.04020.86
5.5.270.0070.08320.75
5.5.260.0200.05320.61
5.5.250.0030.07320.58
5.5.240.0100.08020.04
5.4.450.0230.05019.64
5.4.440.0770.05319.54
5.4.430.0600.04319.16
5.4.420.0700.04719.66
5.4.410.0130.05019.29
5.4.400.0700.05018.83
5.4.390.0530.05719.04
5.4.380.0330.05018.62
5.4.370.0400.04318.71
5.4.360.0200.06018.68
5.4.350.0370.04318.72
5.4.340.0300.05318.72
5.4.320.0330.05318.50
5.4.310.0230.06018.56
5.4.300.0370.05018.63
5.4.290.0400.04318.49
5.4.280.0330.05718.68
5.4.270.0270.05718.77
5.4.260.0230.05718.73
5.4.250.0330.06318.59
5.4.240.0300.06018.52
5.4.230.0400.04318.46
5.4.220.0300.05718.49
5.4.210.0400.05318.55
5.4.200.0370.05016.34
5.4.190.0370.05318.54
5.4.180.0400.03718.44
5.4.170.0270.06018.44
5.4.160.0370.05318.46
5.4.150.0330.05018.64
5.4.140.0370.04316.23
5.4.130.0300.05016.16
5.4.120.0300.04716.22
5.4.110.0300.04716.16
5.4.100.0330.04716.25
5.4.90.0130.06716.24
5.4.80.0270.05316.18
5.4.70.0230.05316.22
5.4.60.0230.05016.23
5.4.50.0300.05016.12
5.4.40.0330.04316.27
5.4.30.0230.05316.13
5.4.20.0270.05016.02
5.4.10.0270.05016.11
5.4.00.0300.05015.60
5.3.290.0270.06014.65
5.3.280.0330.05014.57
5.3.270.0300.05014.55
5.3.260.0230.05714.55
5.3.250.0330.07314.55
5.3.240.0300.05714.57
5.3.230.0330.07314.55
5.3.220.0170.06314.61
5.3.210.0330.05314.49
5.3.200.0230.06014.54
5.3.190.0300.05314.54
5.3.180.0370.04014.66
5.3.170.0300.05014.53
5.3.160.0430.06014.49
5.3.150.0270.05314.65
5.3.140.0230.05314.48
5.3.130.0300.05314.57
5.3.120.0300.05014.61
5.3.110.0400.05314.59
5.3.100.0230.05714.02
5.3.90.0330.06713.95
5.3.80.0130.06014.01
5.3.70.0200.05714.09
5.3.60.0330.04713.98
5.3.50.0270.05013.92
5.3.40.0330.04714.04
5.3.30.0330.04314.00
5.3.20.0370.04313.62
5.3.10.0270.05013.73
5.3.00.0270.06013.60
5.2.170.0370.04011.30
5.2.160.0370.04011.09
5.2.150.0230.05711.13
5.2.140.0270.05311.17
5.2.130.0230.04711.13
5.2.120.0400.04711.16
5.2.110.0200.04311.13
5.2.100.0400.02711.15
5.2.90.0370.05011.03
5.2.80.0270.04711.24
5.2.70.0200.04311.13
5.2.60.0230.04311.12
5.2.50.0130.05010.93
5.2.40.0200.04010.91
5.2.30.0230.03710.92
5.2.20.0170.04010.92
5.2.10.0230.04010.83
5.2.00.0130.05310.82
5.1.60.0270.02710.10
5.1.50.0100.04310.05
5.1.40.0130.03710.00
5.1.30.0230.03010.47
5.1.20.0170.03710.37
5.1.10.0230.03010.20
5.1.00.0170.03310.18
5.0.50.0100.0278.57
5.0.40.0030.0338.50
5.0.30.0100.0478.21
5.0.20.0130.0278.23
5.0.10.0030.0338.24
5.0.00.0100.0408.22
4.4.90.0100.0206.88
4.4.80.0130.0176.88
4.4.70.0100.0236.88
4.4.60.0100.0206.88
4.4.50.0130.0206.88
4.4.40.0100.0336.88
4.4.30.0100.0236.88
4.4.20.0100.0206.88
4.4.10.0100.0236.88
4.4.00.0130.0306.88
4.3.110.0100.0206.88
4.3.100.0100.0206.88
4.3.90.0070.0276.88
4.3.80.0070.0436.88
4.3.70.0100.0276.88
4.3.60.0100.0276.88
4.3.50.0030.0276.88
4.3.40.0070.0336.88
4.3.30.0030.0236.88
4.3.20.0030.0236.88
4.3.10.0070.0206.88
4.3.00.0030.0207.57

preferences:
52.89 ms | 401 KiB | 5 Q