3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "asdiqwhdfqwe@qwodj"; echo substr($a,0, strpos($a,'@'));

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)
8.3.60.0170.00318.34
8.3.50.0100.00822.05
8.3.40.0100.01018.87
8.3.30.0060.01018.81
8.3.20.0070.00020.04
8.3.10.0000.00822.21
8.3.00.0000.00722.40
8.2.180.0150.00618.16
8.2.170.0090.01222.96
8.2.160.0140.00720.82
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.48
8.2.110.0050.00522.02
8.2.100.0080.00317.79
8.2.90.0000.00817.50
8.2.80.0060.00317.97
8.2.70.0040.00417.93
8.2.60.0000.00717.80
8.2.50.0040.00418.10
8.2.40.0040.00420.55
8.2.30.0050.00218.18
8.2.20.0000.00717.52
8.2.10.0050.00317.61
8.2.00.0080.00017.48
8.1.280.0140.00025.92
8.1.270.0110.00722.14
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0050.00320.73
8.1.230.0120.00317.76
8.1.220.0000.01017.74
8.1.210.0000.00818.77
8.1.200.0000.00817.22
8.1.190.0040.00817.13
8.1.180.0030.00518.10
8.1.170.0030.00618.46
8.1.160.0000.00721.90
8.1.150.0000.00718.47
8.1.140.0040.00417.35
8.1.130.0090.00017.69
8.1.120.0070.00017.41
8.1.110.0040.00417.31
8.1.100.0030.00317.32
8.1.90.0040.00417.35
8.1.80.0050.00317.27
8.1.70.0070.00017.40
8.1.60.0040.00417.52
8.1.50.0000.00717.47
8.1.40.0040.00417.39
8.1.30.0030.00617.50
8.1.20.0040.00417.51
8.1.10.0060.00317.50
8.1.00.0050.00317.46
8.0.300.0040.00418.77
8.0.290.0000.00916.63
8.0.280.0070.00018.43
8.0.270.0030.00317.20
8.0.260.0050.00316.85
8.0.250.0060.00316.93
8.0.240.0000.00716.87
8.0.230.0020.00516.77
8.0.220.0000.00716.80
8.0.210.0030.00316.75
8.0.200.0000.00716.73
8.0.190.0050.00316.91
8.0.180.0070.00016.92
8.0.170.0040.00416.84
8.0.160.0040.00416.77
8.0.150.0040.00416.85
8.0.140.0000.00816.83
8.0.130.0000.00613.31
8.0.120.0040.00416.81
8.0.110.0000.00716.81
8.0.100.0040.00416.63
8.0.90.0050.00216.82
8.0.80.0130.00716.72
8.0.70.0030.00516.62
8.0.60.0030.00316.93
8.0.50.0040.00416.81
8.0.30.0100.01216.91
8.0.20.0110.00717.40
8.0.10.0040.00416.75
8.0.00.0080.01016.82
7.4.330.0060.00015.00
7.4.320.0000.00816.55
7.4.300.0000.00616.49
7.4.290.0000.00716.38
7.4.280.0060.00016.32
7.4.270.0050.00216.51
7.4.260.0070.00016.52
7.4.250.0030.00516.47
7.4.240.0000.00816.48
7.4.230.0030.00316.18
7.4.220.0110.00616.56
7.4.210.0070.00916.38
7.4.200.0050.00316.62
7.4.190.0040.00416.57
7.4.160.0080.00816.32
7.4.150.0070.01017.40
7.4.140.0140.00317.86
7.4.130.0100.00916.46
7.4.120.0090.00816.58
7.4.110.0160.00016.29
7.4.100.0150.00316.31
7.4.90.0140.00416.48
7.4.80.0090.00919.39
7.4.70.0080.01416.42
7.4.60.0180.00616.40
7.4.50.0060.00316.36
7.4.40.0040.01422.77
7.4.30.0030.01216.24
7.4.00.0150.00414.85
7.3.330.0060.00012.97
7.3.320.0000.00613.04
7.3.310.0070.00016.12
7.3.300.0030.00316.16
7.3.290.0150.00316.11
7.3.280.0060.00916.18
7.3.270.0130.00517.40
7.3.260.0100.00916.33
7.3.250.0130.00516.31
7.3.240.0070.01016.26
7.3.230.0090.01216.39
7.3.210.0120.00616.43
7.3.200.0090.00919.39
7.3.190.0030.01216.02
7.3.180.0060.00916.13
7.3.170.0180.00516.27
7.3.160.0090.00616.35
7.3.120.0120.00314.77
7.2.330.0100.00716.26
7.2.320.0120.01116.59
7.2.310.0070.01316.65
7.2.300.0160.00316.62
7.2.290.0030.01316.37
7.2.00.0080.00619.29
7.1.100.1010.01216.05
7.1.70.0030.01017.16
7.1.60.0070.01419.82
7.1.50.0130.01016.89
7.1.00.0000.08022.44
7.0.200.0000.01016.73
7.0.140.0070.07022.00
7.0.60.0100.03719.83
7.0.50.0070.08017.82
7.0.40.0070.07720.20
7.0.30.0300.05020.21
7.0.20.0070.05020.28
7.0.10.0170.08020.01
7.0.00.0070.08320.16
5.6.280.0000.07721.12
5.6.210.0070.04320.44
5.6.200.0100.08018.18
5.6.190.0030.09020.67
5.6.180.0200.07020.41
5.6.170.0100.04720.45
5.6.160.0100.06320.52
5.6.150.0130.03018.18
5.6.140.0000.08718.21
5.6.130.0200.07318.18
5.6.120.0030.09320.95
5.6.110.0000.05021.00
5.6.100.0000.07320.98
5.6.90.0070.08321.07
5.6.80.0200.03320.52
5.5.350.0070.05020.48
5.5.340.0100.03718.00
5.5.330.0100.08320.37
5.5.320.3200.03720.21
5.5.310.0270.08020.41
5.5.300.0000.08717.92
5.5.290.0000.06017.87
5.5.280.0100.08720.86
5.5.270.0070.04720.74
5.5.260.0100.07720.95
5.5.250.0130.07320.66
5.5.240.0070.07720.36
5.4.450.0770.04719.41
5.4.440.0630.04019.25
5.4.430.0130.05019.49
5.4.420.0070.05719.37
5.4.410.0100.06318.95
5.4.400.0070.06018.77
5.4.390.0030.06718.74
5.4.380.0100.05018.65
5.4.370.0300.04718.56
5.4.360.0430.04718.68
5.4.350.0330.05318.64
5.4.340.0330.05018.60
5.4.320.0060.03612.45
5.4.310.0080.04312.45
5.4.300.0080.03412.45
5.4.290.0020.04412.45
5.4.280.0090.04012.34
5.4.270.0030.04512.34
5.4.260.0070.04212.34
5.4.250.0080.03512.35
5.4.240.0070.04312.34
5.4.230.0050.04212.34
5.4.220.0080.04112.34
5.4.210.0030.04412.34
5.4.200.0100.04719.02
5.4.190.0100.05018.72
5.4.180.0030.07018.88
5.4.170.0070.06018.64
5.4.160.0100.04718.76
5.4.150.0170.04318.91
5.4.140.0200.05716.43
5.4.130.0070.07016.36
5.4.120.0130.04316.47
5.4.110.0070.05016.51
5.4.100.0130.04316.39
5.4.90.0070.04716.20
5.4.80.0170.05716.42
5.4.70.0100.04716.32
5.4.60.0100.06316.50
5.4.50.0070.04716.39
5.4.40.0130.04716.46
5.4.30.0030.07016.45
5.4.20.0070.05016.34
5.4.10.0100.04716.46
5.4.00.0070.05015.88
5.3.290.0080.04112.80
5.3.280.0080.03612.71
5.3.270.0030.05714.37
5.3.260.0100.06314.48
5.3.250.0130.04314.31
5.3.240.0100.05314.65
5.3.230.0030.05314.60
5.3.220.0070.05014.33
5.3.210.0070.05714.50
5.3.200.0070.05014.71
5.3.190.0130.06014.71
5.3.180.0070.06014.56
5.3.170.0130.04714.56
5.3.160.0030.05014.71
5.3.150.0100.04714.61
5.3.140.0130.06314.56
5.3.130.0070.07014.55
5.3.120.0130.07314.52
5.3.110.0070.05314.55
5.3.100.0030.05713.73
5.3.90.0100.06313.89
5.3.80.0030.05314.02
5.3.70.0070.06314.06
5.3.60.0130.06713.71
5.3.50.0130.06014.10
5.3.40.0030.06013.96
5.3.30.0200.05713.76
5.3.20.0100.04313.39
5.3.10.0070.04713.36
5.3.00.0070.05013.41
5.2.170.0100.05711.14
5.2.160.0000.04711.14
5.2.150.0100.05311.05
5.2.140.0030.04711.04
5.2.130.0000.04311.03
5.2.120.0000.04311.03
5.2.110.0070.03711.13
5.2.100.0070.05311.24
5.2.90.0070.04310.87
5.2.80.0100.05311.09
5.2.70.0070.04011.09
5.2.60.0100.05010.96
5.2.50.0030.06011.04
5.2.40.0030.05011.09
5.2.30.0100.04011.06
5.2.20.0100.04710.85
5.2.10.0030.05310.78
5.2.00.0070.04010.60
5.1.60.0200.03310.16
5.1.50.0030.03310.16
5.1.40.0070.04310.16
5.1.30.0100.04010.41
5.1.20.0070.04310.56
5.1.10.0070.03010.16
5.1.00.0070.03310.16
5.0.50.0000.03310.16
5.0.40.0070.02310.16
5.0.30.0000.04310.16
5.0.20.0000.03010.16
5.0.10.0100.02010.16
5.0.00.0130.04310.16
4.4.90.0030.03010.16
4.4.80.0030.02310.16
4.4.70.0070.02010.16
4.4.60.0030.02010.16
4.4.50.0100.02310.16
4.4.40.0030.03310.16
4.4.30.0070.02310.16
4.4.20.0000.03310.16
4.4.10.0000.03310.16
4.4.00.0030.04010.16
4.3.110.0000.03010.16
4.3.100.0030.02010.16
4.3.90.0000.02710.16
4.3.80.0030.03310.16
4.3.70.0000.03310.16
4.3.60.0070.01710.16
4.3.50.0000.02310.16
4.3.40.0100.03010.16
4.3.30.0030.02010.16
4.3.20.0030.02310.16
4.3.10.0030.02310.16
4.3.00.0070.01313.23

preferences:
53.28 ms | 401 KiB | 5 Q