3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A\B\C; const E_ERROR = 45; function strlen($str) { return strlen($str) - 1; } echo strlen('abx'); ?>

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)
8.3.40.0320.01044.84
8.3.30.0310.00745.05
8.3.20.0140.00746.18
8.3.10.0180.00048.11
8.3.00.0070.00749.41
8.2.170.0290.01044.66
8.2.160.0220.00347.94
8.2.150.0130.00944.60
8.2.140.0170.00744.58
8.2.130.0210.00046.38
8.2.120.0140.00744.83
8.2.110.0070.01148.27
8.2.100.0220.00945.33
8.2.90.0070.01344.92
8.2.80.0130.00743.76
8.2.70.0170.01043.25
8.2.60.0070.01343.67
8.2.50.0100.01043.50
8.2.40.0160.00343.90
8.2.30.0030.01643.79
8.2.20.0120.00943.43
8.2.10.0150.00443.59
8.2.00.0230.00743.41
8.1.270.0170.00748.10
8.1.260.0180.00345.67
8.1.250.0120.00649.54
8.1.240.0030.01051.90
8.1.230.0280.00445.04
8.1.220.0070.01343.68
8.1.210.0140.00743.23
8.1.200.0110.01143.23
8.1.190.0100.01043.38
8.1.180.0070.01344.56
8.1.170.0210.00044.55
8.1.160.0130.00648.03
8.1.150.0160.01144.63
8.1.140.0200.00043.44
8.1.130.0130.01043.74
8.1.120.0160.01043.33
8.1.110.0140.00743.32
8.1.100.0060.01343.33
8.1.90.0120.00643.46
8.1.80.0150.00443.34
8.1.70.0070.01143.46
8.1.60.0130.01343.56
8.1.50.0140.00743.46
8.1.40.0180.00343.53
8.1.30.0110.01143.56
8.1.20.0140.00743.46
8.1.10.0270.00773.12
8.1.00.0260.00772.99
8.0.300.0170.01473.04
8.0.290.0220.01072.68
8.0.280.0270.00773.92
8.0.270.0250.00672.73
8.0.260.0160.01972.27
8.0.250.0280.01172.36
8.0.240.0270.01072.45
8.0.230.0250.01472.32
8.0.220.0210.01172.36
8.0.210.0230.01772.32
8.0.200.0130.01772.47
8.0.190.0200.02072.37
8.0.180.0140.01772.32
8.0.170.0380.00772.31
8.0.160.0240.00772.39
8.0.150.0330.01072.25
8.0.140.0250.01472.34
8.0.130.0530.007121.78
8.0.120.0230.01072.36
8.0.110.0240.00672.35
8.0.100.0150.01572.32
8.0.90.0270.00372.45
8.0.80.0430.03372.32
8.0.70.0280.00372.23
8.0.60.0270.00372.39
8.0.50.0270.00772.20
8.0.30.0670.02772.42
8.0.20.0560.02672.61
8.0.10.0130.01772.34
8.0.00.0810.03572.33
7.4.330.0160.01670.40
7.4.320.0270.00372.00
7.4.300.0320.00672.02
7.4.290.0280.00971.94
7.4.280.0260.01072.06
7.4.270.0140.01871.93
7.4.260.0390.00471.92
7.4.250.0070.02171.85
7.4.240.0210.01271.97
7.4.230.0210.01071.97
7.4.220.0600.02472.02
7.4.210.0500.02671.97
7.4.200.0160.01671.81
7.4.190.0160.02271.89
7.4.160.0700.01771.96
7.4.150.0540.02471.83
7.4.140.0720.02171.98
7.4.130.0630.02571.98
7.4.120.0670.02872.01
7.4.110.0550.01871.88
7.4.100.0620.02371.90
7.4.90.0560.02871.93
7.4.80.0820.03772.02
7.4.70.0520.03172.00
7.4.60.0530.03371.90
7.4.50.0170.01071.93
7.4.40.0230.02671.91
7.4.30.0550.02271.97
7.4.00.0320.01970.62
7.3.330.0440.013121.59
7.3.320.0440.020121.59
7.3.310.0170.01471.91
7.3.300.0190.01671.73
7.3.290.0700.03171.76
7.3.280.0570.02971.79
7.3.270.0580.02071.77
7.3.260.0560.03372.12
7.3.250.0610.03671.88
7.3.240.0460.03271.84
7.3.230.0470.03071.73
7.3.210.0510.03471.67
7.3.200.0690.03671.81
7.3.190.0580.02572.01
7.3.180.0570.01971.98
7.3.170.0530.03471.93
7.3.160.0570.02771.95
7.3.120.0320.01670.10
7.2.330.0520.03272.15
7.2.320.0580.03172.14
7.2.310.0660.04372.16
7.2.300.0510.02972.08
7.2.290.0620.01972.17
7.2.60.1440.01078.96
7.2.00.0610.01781.30
7.1.200.1220.02377.89
7.1.100.0000.02479.91
7.1.70.0830.01679.20
7.1.60.0130.03978.86
7.1.50.0240.02478.60
7.1.00.0130.08384.38
7.0.200.1460.01078.75
7.0.140.0200.07384.04
7.0.100.0700.09375.55
7.0.90.6500.05375.52
7.0.80.4600.08075.56
7.0.70.3970.04375.50
7.0.60.5800.05375.50
7.0.50.5200.07075.88
7.0.40.0030.05320.17
7.0.30.0170.04020.04
7.0.20.0070.08319.95
7.0.10.0100.04720.06
7.0.00.0070.05019.95
5.6.280.0370.08385.79
5.6.250.0400.08785.39
5.6.240.0230.09785.33
5.6.230.0230.10385.17
5.6.220.0200.05085.13
5.6.210.0170.06085.23
5.6.200.0100.06385.81
5.6.190.0200.05785.82
5.6.180.0170.05785.75
5.6.170.0370.08785.79
5.6.160.0270.07085.74
5.6.150.0170.05785.74
5.6.140.0200.11385.81
5.6.130.0270.10385.81
5.6.120.0500.08085.75
5.6.110.0330.08785.87
5.6.100.0330.09085.87
5.6.90.0400.09085.86
5.6.80.0300.10385.13
5.6.70.0400.09085.14
5.6.60.0430.09385.19
5.6.50.0230.11785.04
5.6.40.0400.09385.10
5.6.30.0270.09785.10
5.6.20.0330.07385.05
5.6.10.0430.08085.16
5.6.00.0330.07785.05
5.5.380.0270.09785.16
5.5.370.0230.08785.05
5.5.360.0270.04785.22
5.5.350.0230.09085.04
5.5.340.0200.05385.62
5.5.330.0300.04385.57
5.5.320.0100.06785.59
5.5.310.0270.07085.60
5.5.300.0300.10085.54
5.5.290.0170.07785.48
5.5.280.0370.09085.61
5.5.270.0300.10085.57
5.5.260.0370.09785.50
5.5.250.0330.09385.41
5.5.240.0330.09084.96
5.5.230.0370.08384.86
5.5.220.0270.09384.88
5.5.210.0370.09084.97
5.5.200.0370.05784.87
5.5.190.0330.09384.66
5.5.180.0400.08784.98
5.5.160.0330.04084.82
5.5.150.0200.09784.96
5.5.140.0300.09384.94
5.5.130.0230.09084.95
5.5.120.0270.08784.94
5.5.110.0300.09784.85
5.5.100.0300.09384.76
5.5.90.0300.10384.88
5.5.80.0370.10084.77
5.5.70.0230.10384.87
5.5.60.0470.08384.76
5.5.50.0370.08784.69
5.5.40.0300.10384.87
5.5.30.0370.09084.67
5.5.20.0300.04784.79
5.5.10.0230.09384.69
5.5.00.0230.06084.73
5.4.450.0370.08783.99
5.4.440.0470.08784.03
5.4.430.0300.09784.18
5.4.420.0200.09784.00
5.4.410.0370.08384.05
5.4.400.0330.10083.75
5.4.390.0570.06383.59
5.4.380.0430.08083.85
5.4.370.0370.09783.66
5.4.360.0230.11083.51
5.4.350.0170.09083.70
5.4.340.0330.06383.49
5.4.320.0330.09783.59
5.4.310.0300.07083.54
5.4.300.0370.08783.75
5.4.290.0370.08783.67
5.4.280.0370.08783.50
5.4.270.0270.09783.69
5.4.260.0200.10383.69
5.4.250.0200.07083.65
5.4.240.0400.05783.67
5.4.230.0270.10383.68
5.4.220.0430.08783.64
5.4.210.0370.07383.73
5.4.200.0370.09083.70
5.4.190.0470.07783.64
5.4.180.0230.08383.68
5.4.170.0170.08783.53
5.4.160.0270.10383.64
5.4.150.0330.04383.64
5.4.140.0100.05780.98
5.4.130.0370.08080.98
5.4.120.0300.09381.07
5.4.110.0400.04780.94
5.4.100.0300.08381.11
5.4.90.0330.09781.09
5.4.80.0300.06081.00
5.4.70.0370.08781.12
5.4.60.0270.10381.14
5.4.50.0400.07381.16
5.4.40.0430.08081.01
5.4.30.0330.05081.01
5.4.20.0230.10381.07
5.4.10.0300.08781.04
5.4.00.0470.08080.42
5.3.290.0330.11778.50
5.3.280.0230.12078.36
5.3.270.0100.09078.34
5.3.260.0200.08078.49
5.3.250.0330.11078.51
5.3.240.0130.06778.30
5.3.230.0200.12778.29
5.3.220.0300.12078.48
5.3.210.0200.12078.45
5.3.200.0330.10078.43
5.3.190.0370.09778.30
5.3.180.0230.11378.30
5.3.170.0270.11378.32
5.3.160.0230.10778.40
5.3.150.0470.10378.35
5.3.140.0300.11378.24
5.3.130.0230.11778.43
5.3.120.0300.11078.24
5.3.110.0270.12778.23
5.3.100.0370.10077.83
5.3.90.0270.11777.79
5.3.80.0230.11377.69
5.3.70.0300.10077.85
5.3.60.0270.08077.77
5.3.50.0270.09377.64
5.3.40.0270.11377.58
5.3.30.0370.09077.57
5.3.20.0230.12077.38
5.3.10.0300.10077.34
5.3.00.0170.11077.29
5.2.170.0000.06311.14
5.2.160.0030.06011.13
5.2.150.0000.07011.14
5.2.140.0070.05710.98
5.2.130.0170.05010.92
5.2.120.0070.03311.16
5.2.110.0000.03710.96
5.2.100.0000.07011.11
5.2.90.0070.05310.97
5.2.80.0030.06711.08
5.2.70.0030.06011.08
5.2.60.0130.05710.96
5.2.50.0070.06310.88
5.2.40.0030.05310.79
5.2.30.0030.06011.00
5.2.20.0030.03011.01
5.2.10.0070.05710.77
5.2.00.0070.05710.71
5.1.60.0030.0339.99
5.1.50.0000.0579.98
5.1.40.0070.04710.04
5.1.30.0130.05010.39
5.1.20.0070.05710.42
5.1.10.0070.05710.08
5.1.00.0030.05310.06
5.0.50.0070.0408.39
5.0.40.0070.0408.46
5.0.30.0030.0538.25
5.0.20.0030.0438.30
5.0.10.0100.0408.17
5.0.00.0000.0708.22
4.4.90.0030.0338.17
4.4.80.0030.0238.17
4.4.70.0000.0238.17
4.4.60.0000.0408.17
4.4.50.0000.0378.17
4.4.40.0030.0278.17
4.4.30.0000.0378.17
4.4.20.0000.0378.17
4.4.10.0030.0338.17
4.4.00.0030.0378.17
4.3.110.0030.0338.17
4.3.100.0030.0178.17
4.3.90.0030.0378.17
4.3.80.0070.0508.17
4.3.70.0000.0378.17
4.3.60.0000.0308.17
4.3.50.0000.0378.17
4.3.40.0030.0408.17
4.3.30.0100.0308.17
4.3.20.0000.0408.17
4.3.10.0030.0308.17
4.3.00.0000.0378.17

preferences:
33.99 ms | 400 KiB | 5 Q