3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strlen('php'); $a = array('ab','c'); echo strlen($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)
8.3.40.0070.01318.67
8.3.30.0070.00720.13
8.3.20.0040.00420.08
8.3.10.0090.00021.89
8.3.00.0080.00022.52
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0070.00024.18
8.2.140.0070.00724.66
8.2.130.0040.01126.16
8.2.120.0040.00419.54
8.2.110.0090.00022.05
8.2.100.0080.00319.16
8.2.90.0050.00318.91
8.2.80.0060.00319.28
8.2.70.0060.00317.61
8.2.60.0040.00418.04
8.2.50.0030.00618.07
8.2.40.0000.00718.03
8.2.30.0000.00717.99
8.2.20.0040.00417.63
8.2.10.0040.00417.71
8.2.00.0050.00517.79
8.1.270.0120.00624.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.98
8.1.230.0110.00019.05
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0050.00317.29
8.1.180.0000.00818.88
8.1.170.0080.00018.41
8.1.160.0070.00022.17
8.1.150.0050.00218.57
8.1.140.0070.00017.27
8.1.130.0000.00717.72
8.1.120.0000.00817.38
8.1.110.0020.00517.28
8.1.100.0040.00417.35
8.1.90.0000.00717.40
8.1.80.0050.00217.28
8.1.70.0030.00317.25
8.1.60.0050.00317.50
8.1.50.0000.00717.45
8.1.40.0000.00717.40
8.1.30.0080.00017.64
8.1.20.0000.00817.59
8.1.10.0050.00317.42
8.1.00.0050.00317.34
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0050.00318.30
8.0.270.0000.00717.29
8.0.260.0000.00716.86
8.0.250.0030.00316.97
8.0.240.0000.00816.85
8.0.230.0050.00216.90
8.0.220.0070.00016.90
8.0.210.0030.00316.89
8.0.200.0000.00616.90
8.0.190.0030.00616.96
8.0.180.0040.00416.81
8.0.170.0000.00916.91
8.0.160.0080.00016.91
8.0.150.0080.00016.78
8.0.140.0030.00516.79
8.0.130.0000.00613.26
8.0.120.0040.00416.89
8.0.110.0030.00616.77
8.0.100.0040.00416.70
8.0.90.0030.00316.82
8.0.80.0130.00316.89
8.0.70.0040.00416.66
8.0.60.0000.00716.90
8.0.50.0080.00016.94
8.0.30.0090.01117.06
8.0.20.0120.00917.40
8.0.10.0070.00016.86
8.0.00.0060.01316.89
7.4.330.0000.00515.00
7.4.320.0000.00616.47
7.4.300.0070.00016.35
7.4.290.0030.00316.32
7.4.280.0000.00716.27
7.4.270.0000.00716.50
7.4.260.0000.00716.45
7.4.250.0000.00716.52
7.4.240.0030.00316.43
7.4.230.0000.00616.54
7.4.220.0070.01116.41
7.4.210.0110.00516.49
7.4.200.0040.00416.41
7.4.190.0030.00316.59
7.4.160.0060.00916.46
7.4.150.0120.00617.40
7.4.140.0120.00917.86
7.4.130.0120.00716.68
7.4.120.0100.00916.46
7.4.110.0080.00816.68
7.4.100.0120.00916.26
7.4.90.0110.00616.50
7.4.80.0120.00619.39
7.4.70.0060.00916.54
7.4.60.0080.00816.62
7.4.50.0030.00516.65
7.4.40.0090.00622.77
7.4.30.0110.00716.43
7.4.00.0030.01215.15
7.3.330.0020.00213.18
7.3.320.0020.00213.21
7.3.310.0080.00016.32
7.3.300.0060.00016.24
7.3.290.0040.01116.27
7.3.280.0060.00916.25
7.3.270.0100.00917.40
7.3.260.0040.01516.32
7.3.250.0110.00716.47
7.3.240.0130.00316.52
7.3.230.0060.01016.39
7.3.210.0120.00616.54
7.3.200.0120.01219.39
7.3.190.0110.01116.54
7.3.180.0060.00916.20
7.3.170.0130.00416.43
7.3.160.0060.00916.28
7.3.120.0000.01014.57
7.2.330.0060.01216.54
7.2.320.0120.00716.63
7.2.310.0070.01116.67
7.2.300.0060.01216.62
7.2.290.0060.01516.38
7.2.00.0050.00518.79
7.1.100.0130.00017.96
7.1.70.0000.00716.75
7.1.60.0090.01619.29
7.1.50.0130.01016.54
7.1.00.0170.05722.54
7.0.200.0540.00414.73
7.0.140.0100.07022.00
7.0.60.0170.05719.91
7.0.50.0100.04317.88
7.0.40.0170.07320.20
7.0.30.0300.07720.16
7.0.20.0230.08320.19
7.0.10.0230.06320.20
7.0.00.0070.06020.30
5.6.280.0070.06721.01
5.6.210.0100.06020.72
5.6.200.0130.05018.21
5.6.190.0000.04720.42
5.6.180.0270.06320.56
5.6.170.0300.05020.50
5.6.160.0100.08320.52
5.6.150.0100.07718.22
5.6.140.0030.03718.16
5.6.130.0170.07718.12
5.6.120.0030.08021.11
5.6.110.0130.07020.98
5.6.100.0130.07321.03
5.6.90.0030.08320.87
5.6.80.0000.04720.52
5.6.70.0170.07020.39
5.5.350.0170.02720.43
5.5.340.0070.08318.01
5.5.330.0030.05720.37
5.5.320.0230.08020.18
5.5.310.0400.06720.22
5.5.300.0100.07717.96
5.5.290.0000.04317.95
5.5.280.0100.08320.76
5.5.270.0000.06020.86
5.5.260.0000.08020.84
5.5.250.0200.02720.77
5.5.240.0070.06020.15
5.4.450.0800.05019.63
5.4.440.0730.05319.48
5.4.430.0130.05319.54
5.4.420.0900.06719.47
5.4.410.0870.06019.34
5.4.400.1330.06018.78
5.4.390.1400.05718.74
5.4.380.0230.05318.68
5.4.370.0230.04318.67
5.4.360.0200.06718.56
5.4.350.0070.03611.97
5.4.340.0090.04011.97
5.4.320.0080.04212.45
5.4.310.0070.03712.45
5.4.300.0070.04012.45
5.4.290.0060.03812.45
5.4.280.0050.03912.34
5.4.270.0070.03412.35
5.4.260.0080.03512.34
5.4.250.0030.05319.04
5.4.240.0100.04718.89
5.4.230.0070.05018.89
5.4.220.0130.07018.90
5.4.210.0070.05318.87
5.4.200.0170.06318.63
5.4.190.0030.05318.79
5.4.180.0100.04718.82
5.4.170.0070.05019.01
5.4.160.0200.04318.89
5.4.150.0100.05319.03
5.4.140.0130.04716.42
5.4.130.0070.05716.45
5.4.120.0030.05716.25
5.4.110.0170.04316.42
5.4.100.0030.07016.39
5.4.90.0200.03716.49
5.4.80.0030.05316.39
5.4.70.0070.05016.24
5.4.60.0100.05316.41
5.4.50.0070.05316.46
5.4.40.0070.05316.37
5.4.30.0070.05016.46
5.4.20.0070.05316.36
5.4.10.0170.04716.32
5.4.00.0070.05315.70
5.3.290.0050.05012.80
5.3.280.0100.05014.64
5.3.270.0070.05314.52
5.3.260.0130.07014.47
5.3.250.0200.05014.60
5.3.240.0200.05714.62
5.3.230.0070.06714.64
5.3.220.0170.05014.40
5.3.210.0030.05714.57
5.3.200.0130.04714.34
5.3.190.0100.04714.56
5.3.180.0030.05314.43
5.3.170.0030.05714.55
5.3.160.0070.05714.57
5.3.150.0100.05314.47
5.3.140.0100.04714.47
5.3.130.0030.06314.31
5.3.120.0100.06714.43
5.3.110.0130.04714.32
5.3.100.0130.04714.07
5.3.90.0130.04313.85
5.3.80.0170.04314.02
5.3.70.0000.06013.71
5.3.60.0100.05014.04
5.3.50.0170.06013.94
5.3.40.0200.05313.74
5.3.30.0030.05313.99
5.3.20.0100.04713.70
5.3.10.0030.05013.56
5.3.00.0170.06313.79
5.2.170.0000.04710.89
5.2.160.0030.05311.14
5.2.150.0100.05311.15
5.2.140.0070.05711.23
5.2.130.0030.04311.10
5.2.120.0000.04310.98
5.2.110.0070.03710.98
5.2.100.0100.03311.02
5.2.90.0030.04011.11
5.2.80.0030.04311.10
5.2.70.0000.04711.08
5.2.60.0000.05010.89
5.2.50.0100.03710.85
5.2.40.0070.03711.02
5.2.30.0000.04310.89
5.2.20.0030.05310.96
5.2.10.0070.04011.07
5.2.00.0100.03710.61
5.1.60.0170.02010.05
5.1.50.0130.02710.05
5.1.40.0100.0309.92
5.1.30.0070.03310.48
5.1.20.0070.03310.31
5.1.10.0100.03010.16
5.1.00.0070.05010.32
5.0.50.0030.0308.48
5.0.40.0170.0278.46
5.0.30.0030.0438.13
5.0.20.0030.0278.18
5.0.10.0000.0278.07
5.0.00.0000.0438.39
4.4.90.0030.0207.43
4.4.80.0000.0237.43
4.4.70.0070.0177.43
4.4.60.0070.0177.43
4.4.50.0030.0237.43
4.4.40.0000.0337.43
4.4.30.0030.0207.43
4.4.20.0000.0237.43
4.4.10.0030.0207.43
4.4.00.0070.0307.43
4.3.110.0000.0237.43
4.3.100.0030.0207.43
4.3.90.0000.0307.43
4.3.80.0000.0337.43
4.3.70.0000.0207.43
4.3.60.0000.0237.43
4.3.50.0000.0237.43
4.3.40.0000.0337.43
4.3.30.0000.0237.43
4.3.20.0000.0237.43
4.3.10.0000.0237.43
4.3.00.0200.0206.84

preferences:
40.82 ms | 400 KiB | 5 Q