3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strlen('__');

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)
8.3.40.0120.00318.62
8.3.30.0070.01018.79
8.3.20.0070.00020.21
8.3.10.0000.00821.97
8.3.00.0050.00322.47
8.2.170.0070.00722.96
8.2.160.0140.00019.21
8.2.150.0070.00024.18
8.2.140.0050.00224.66
8.2.130.0070.01126.16
8.2.120.0100.00317.55
8.2.110.0040.00420.48
8.2.100.0070.00319.20
8.2.90.0090.00019.09
8.2.80.0070.00019.11
8.2.70.0080.00017.50
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00418.05
8.2.30.0020.00517.99
8.2.20.0040.00417.52
8.2.10.0030.00517.50
8.2.00.0040.00417.59
8.1.270.0030.00520.28
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0030.00623.84
8.1.230.0000.01019.09
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.13
8.1.190.0000.00817.27
8.1.180.0030.00518.48
8.1.170.0050.00318.65
8.1.160.0020.00522.09
8.1.150.0040.00418.55
8.1.140.0040.00417.21
8.1.130.0030.00517.75
8.1.120.0000.00717.34
8.1.110.0080.00017.25
8.1.100.0000.00717.20
8.1.90.0040.00417.18
8.1.80.0070.00017.34
8.1.70.0050.00317.34
8.1.60.0040.00417.32
8.1.50.0000.00917.36
8.1.40.0040.00417.37
8.1.30.0020.00517.38
8.1.20.0060.00317.51
8.1.10.0000.00917.34
8.1.00.0000.00817.38
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0040.00418.32
8.0.270.0030.00317.10
8.0.260.0030.00316.65
8.0.250.0060.00016.93
8.0.240.0090.00016.72
8.0.230.0030.00316.78
8.0.220.0000.00716.75
8.0.210.0000.00716.81
8.0.200.0040.00416.70
8.0.190.0070.00016.79
8.0.180.0000.00816.68
8.0.170.0030.00316.79
8.0.160.0040.00416.63
8.0.150.0040.00416.55
8.0.140.0040.00416.60
8.0.130.0000.00613.16
8.0.120.0000.00816.64
8.0.110.0050.00216.58
8.0.100.0040.00416.79
8.0.90.0070.00016.87
8.0.80.0110.01016.70
8.0.70.0040.00416.82
8.0.60.0000.00716.81
8.0.50.0040.00416.57
8.0.30.0120.01016.91
8.0.20.0130.00517.40
8.0.10.0000.00816.68
8.0.00.0110.00716.69
7.4.330.0040.00015.00
7.4.320.0060.00016.44
7.4.300.0060.00016.43
7.4.290.0000.00816.45
7.4.280.0000.00616.45
7.4.270.0030.00316.39
7.4.260.0070.00016.38
7.4.250.0040.00416.44
7.4.240.0050.00216.43
7.4.230.0070.00016.34
7.4.220.0060.01216.35
7.4.210.0070.00916.42
7.4.200.0040.00316.55
7.4.190.0040.00416.40
7.4.160.0100.00716.40
7.4.150.0140.00317.40
7.4.140.0130.00717.86
7.4.130.0080.01116.46
7.4.120.0080.00916.26
7.4.110.0030.01316.57
7.4.100.0090.01216.30
7.4.90.0090.01316.26
7.4.80.0030.01319.39
7.4.70.0150.00016.47
7.4.60.0090.00916.44
7.4.50.0040.00016.31
7.4.40.0030.00722.77
7.4.30.0120.00816.30
7.4.00.0110.00414.90
7.3.330.0000.00513.00
7.3.320.0030.00313.05
7.3.310.0030.00316.09
7.3.300.0070.00016.14
7.3.290.0090.00916.13
7.3.280.0110.00316.17
7.3.270.0060.00917.40
7.3.260.0070.01116.35
7.3.250.0110.01116.13
7.3.240.0040.01316.27
7.3.230.0110.00616.39
7.3.210.0080.01116.23
7.3.200.0070.01019.39
7.3.190.0060.01416.50
7.3.180.0040.01216.30
7.3.170.0140.00516.41
7.3.160.0170.00016.37
7.3.120.0030.01314.61
7.2.330.0210.00416.59
7.2.320.0060.01216.57
7.2.310.0130.00716.50
7.2.300.0100.00716.31
7.2.290.0030.01216.54
7.2.00.0030.00719.27
7.1.100.0060.00617.80
7.1.70.0000.00716.73
7.1.60.0090.01519.82
7.1.50.0110.00416.86
7.1.00.0030.03722.42
7.0.200.0090.00316.43
7.0.140.0030.07322.18
7.0.70.3670.03319.86
7.0.60.0070.05319.89
7.0.50.0130.06717.89
7.0.40.0100.09020.28
7.0.30.0000.06320.17
7.0.20.0270.07720.33
7.0.10.0200.05020.20
7.0.00.0000.04320.33
5.6.210.0070.07320.68
5.6.200.0130.07018.22
5.6.190.0030.05020.45
5.6.180.0230.03720.65
5.6.170.0300.07320.41
5.6.160.0070.07020.44
5.6.150.0070.08718.20
5.6.140.0000.06018.19
5.6.130.0130.07018.20
5.6.120.0130.07720.99
5.6.110.0100.08321.13
5.6.100.0070.07320.98
5.6.90.0100.08020.96
5.6.80.0170.07320.51
5.6.70.0230.07720.38
5.5.350.0070.08320.38
5.5.340.0030.04017.92
5.5.330.0130.07020.43
5.5.320.0070.07720.37
5.5.310.0170.04320.50
5.5.300.0030.05717.87
5.5.290.0030.04717.84
5.5.280.0100.08320.84
5.5.270.0070.05020.73
5.5.260.0070.08320.86
5.5.250.0070.08720.65
5.5.240.0170.06720.14
5.4.450.0630.06319.43
5.4.440.0800.05019.67
5.4.430.0770.05719.47
5.4.420.0530.04319.48
5.4.410.0900.04019.41
5.4.400.0100.05018.78
5.4.390.0900.05319.26
5.4.380.0300.05018.78
5.4.370.0200.04718.63
5.4.360.0230.04018.57
5.4.350.0100.04411.97
5.4.340.0080.03611.97
5.4.320.0020.03912.45
5.4.310.0090.04112.45
5.4.300.0060.04012.45
5.4.290.0060.03712.45
5.4.280.0070.04012.34
5.4.270.0090.03712.34
5.4.260.0040.04012.34
5.4.250.0070.05319.02
5.4.240.0130.04718.98
5.4.230.0100.04718.72
5.4.220.0100.07318.64
5.4.210.0130.06318.93
5.4.200.0170.04018.69
5.4.190.0070.05018.93
5.4.180.0170.04018.99
5.4.170.0030.05718.76
5.4.160.0200.04318.68
5.4.150.0100.05018.86
5.4.140.0030.05316.26
5.4.130.0070.04716.28
5.4.120.0030.05016.47
5.4.110.0130.04716.43
5.4.100.0230.05716.36
5.4.90.0070.04716.45
5.4.80.0100.04016.21
5.4.70.0130.04316.32
5.4.60.0030.05016.23
5.4.50.0100.04316.46
5.4.40.0030.05316.34
5.4.30.0030.05316.19
5.4.20.0000.05316.46
5.4.10.0070.05016.45
5.4.00.0030.07015.73
5.3.290.0020.04312.80
5.3.280.0200.05714.70
5.3.270.0030.05714.48
5.3.260.0030.05314.50
5.3.250.0070.04714.62
5.3.240.0130.06014.75
5.3.230.0100.06314.44
5.3.220.0070.05014.44
5.3.210.0130.04714.55
5.3.200.0070.06014.58
5.3.190.0130.05014.40
5.3.180.0030.05014.59
5.3.170.0000.05714.33
5.3.160.0000.05714.71
5.3.150.0070.05014.71
5.3.140.0070.05314.42
5.3.130.0030.06014.59
5.3.120.0130.04314.56
5.3.110.0000.06014.54
5.3.100.0100.04714.05
5.3.90.0030.05314.03
5.3.80.0170.04013.71
5.3.70.0070.05014.02
5.3.60.0130.04714.02
5.3.50.0100.04713.79
5.3.40.0100.06014.00
5.3.30.0070.06713.92
5.3.20.0100.04313.73
5.3.10.0030.05013.66
5.3.00.0070.04713.64

preferences:
37.63 ms | 400 KiB | 5 Q