3v4l.org

run code in 300+ PHP versions simultaneously
<?php $chars = [101, 135]; foreach($chars as $char) echo chr($char);

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)
8.3.40.0090.00918.50
8.3.30.0070.01118.90
8.3.20.0050.00220.34
8.3.10.0050.00323.65
8.3.00.0040.00419.20
8.2.170.0100.00722.96
8.2.160.0110.00422.00
8.2.150.0040.00424.18
8.2.140.0040.01124.66
8.2.130.0000.00826.16
8.2.120.0040.00421.13
8.2.110.0090.00021.08
8.2.100.0090.00317.91
8.2.90.0050.00317.63
8.2.80.0040.00418.79
8.2.70.0030.00517.91
8.2.60.0000.00818.22
8.2.50.0040.00418.10
8.2.40.0040.00619.26
8.2.30.0040.00419.28
8.2.20.0040.00417.66
8.2.10.0080.00018.10
8.2.00.0050.00217.55
8.1.270.0040.01119.01
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00319.21
8.1.230.0040.00719.16
8.1.220.0040.00417.75
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0000.00919.04
8.1.180.0040.00418.95
8.1.170.0000.00818.61
8.1.160.0040.00418.96
8.1.150.0030.00518.84
8.1.140.0030.00617.46
8.1.130.0030.00317.82
8.1.120.0000.00717.48
8.1.110.0030.00617.47
8.1.100.0000.00717.49
8.1.90.0030.00317.47
8.1.80.0000.00817.34
8.1.70.0030.00317.33
8.1.60.0080.00017.59
8.1.50.0000.00817.44
8.1.40.0040.00417.50
8.1.30.0050.00317.48
8.1.20.0070.00017.50
8.1.10.0040.00417.55
8.1.00.0000.00717.41
8.0.300.0050.00218.77
8.0.290.0000.00816.75
8.0.280.0070.00018.44
8.0.270.0000.00717.25
8.0.260.0030.00317.31
8.0.250.0000.00616.93
8.0.240.0030.00316.79
8.0.230.0070.00016.99
8.0.220.0030.00316.89
8.0.210.0070.00016.88
8.0.200.0060.00016.95
8.0.190.0040.00416.97
8.0.180.0030.00616.84
8.0.170.0000.00716.96
8.0.160.0040.00316.74
8.0.150.0000.00716.80
8.0.140.0060.00316.89
8.0.130.0030.00313.30
8.0.120.0040.00416.76
8.0.110.0040.00416.90
8.0.100.0040.00416.90
8.0.90.0030.00516.91
8.0.80.0030.01316.90
8.0.70.0000.00716.95
8.0.60.0040.00416.77
8.0.50.0040.00416.87
8.0.30.0140.00917.10
8.0.20.0090.01117.40
8.0.10.0070.00016.81
8.0.00.0110.00616.61
7.4.330.0020.00215.03
7.4.320.0000.00616.52
7.4.300.0030.00316.39
7.4.290.0040.00416.40
7.4.280.0060.00316.57
7.4.270.0030.00316.59
7.4.260.0060.00316.55
7.4.250.0020.00516.50
7.4.240.0040.00316.44
7.4.230.0040.00416.30
7.4.220.0140.00416.61
7.4.210.0080.00816.67
7.4.200.0000.00716.42
7.4.160.0090.00616.61
7.4.150.0060.01217.40
7.4.140.0100.00617.86
7.4.130.0130.00416.33
7.4.120.0070.01016.34
7.4.110.0100.01016.58
7.4.100.0030.01316.30
7.4.90.0030.01316.38
7.4.80.0070.01019.39
7.4.70.0100.00716.54
7.4.60.0090.00616.45
7.4.50.0050.00316.57
7.4.40.0100.00616.48
7.4.30.0100.01016.51
7.4.00.0070.00714.88
7.3.330.0000.00513.20
7.3.320.0030.00313.03
7.3.310.0000.00816.27
7.3.300.0000.00716.30
7.3.290.0040.00216.26
7.3.280.0100.00716.25
7.3.270.0100.01117.40
7.3.260.0200.00016.37
7.3.250.0100.00916.51
7.3.240.0090.01316.20
7.3.230.0090.00916.46
7.3.210.0090.00916.22
7.3.200.0090.01219.39
7.3.190.0090.00616.50
7.3.180.0100.00716.52
7.3.170.0110.00716.57
7.3.160.0060.01216.48
7.3.10.0050.00916.67
7.3.00.0060.00616.88
7.2.330.0090.00916.58
7.2.320.0130.01016.85
7.2.310.0110.00716.45
7.2.300.0090.00916.51
7.2.290.0130.00316.73
7.2.130.0000.01116.92
7.2.120.0030.00816.89
7.2.110.0090.00616.59
7.2.100.0030.01016.55
7.2.90.0130.00316.91
7.2.80.0100.00317.00
7.2.70.0000.01516.98
7.2.60.0030.01216.84
7.2.50.0070.00716.64
7.2.40.0030.01016.79
7.2.30.0030.01316.99
7.2.20.0000.01316.78
7.2.10.0000.01516.88
7.2.00.0050.00718.01
7.1.250.0070.00715.57
7.1.200.0000.01115.79
7.1.100.0030.00718.18
7.1.70.0150.00017.12
7.1.60.0000.02419.22
7.1.50.0100.01316.79
7.1.00.0100.07022.36
7.0.200.0100.00316.88
7.0.140.0030.05721.95
7.0.60.0070.03720.02
7.0.50.0070.08317.80
7.0.40.0100.08320.24
7.0.30.0370.05020.09
7.0.20.0200.03720.00
7.0.10.0030.05720.09
7.0.00.0000.04720.01
5.6.280.0000.07720.78
5.6.210.0130.07020.47
5.6.200.0030.08718.17
5.6.190.0070.05320.27
5.6.180.3830.04320.41
5.6.170.0330.06720.39
5.6.160.0030.08720.38
5.6.150.0070.08318.19
5.6.140.0030.05718.08
5.6.130.0100.03318.21
5.6.120.0030.05021.02
5.6.110.0100.04020.88
5.6.100.0030.08721.02
5.6.90.0070.08321.02
5.6.80.0100.04720.52
5.6.70.0330.07020.46
5.5.350.0030.08020.52
5.5.340.0130.07317.97
5.5.330.0200.06720.23
5.5.320.0300.06720.27
5.5.310.0330.07020.12
5.5.300.0000.04318.00
5.5.290.0070.07317.95
5.5.280.0000.06320.87
5.5.270.0200.07020.83
5.5.260.0170.07020.96
5.5.250.0030.06720.68
5.5.240.0030.05020.23
5.4.450.0200.04719.47
5.4.440.0970.06319.25
5.4.430.0230.04019.43
5.4.420.0700.04019.41
5.4.410.0070.05319.33
5.4.400.0570.06318.83
5.4.390.0170.05018.79
5.4.380.0170.05318.68
5.4.370.0200.04718.61
5.4.360.0230.04718.57
5.4.350.0100.06018.68
5.4.340.0200.05018.71
5.4.320.0170.05318.71
5.4.310.0200.06018.67
5.4.300.0200.04718.63
5.4.290.0170.05018.79
5.4.280.0130.05318.52
5.4.270.0100.06018.73
5.4.260.0300.03718.52
5.4.250.0270.04318.67
5.4.240.0130.05718.48
5.4.230.0270.04018.55
5.4.220.0130.05718.74
5.4.210.0170.05318.59
5.4.200.0170.04716.65
5.4.190.0270.04018.72
5.4.180.0130.05318.67
5.4.170.0100.06018.69
5.4.160.0100.06318.47
5.4.150.0270.04318.61
5.4.140.0270.05016.17
5.4.130.0130.05316.22
5.4.120.0200.04716.05
5.4.110.0130.05016.16
5.4.100.0200.05016.06
5.4.90.0100.06316.25
5.4.80.0200.04316.07
5.4.70.0130.05316.19
5.4.60.0270.04016.04
5.4.50.0200.04316.19
5.4.40.0200.04316.01
5.4.30.0170.04316.27
5.4.20.0200.05016.22
5.4.10.0100.05716.22
5.4.00.0100.05715.70
5.3.290.0270.04714.77
5.3.280.0170.05014.52
5.3.270.0070.06714.66
5.3.260.0300.04014.64
5.3.250.0130.05314.70
5.3.240.0200.04714.58
5.3.230.0100.05714.69
5.3.220.0230.04714.54
5.3.210.0070.06314.57
5.3.200.0230.04314.57
5.3.190.0230.05314.64
5.3.180.0270.04014.46
5.3.170.0200.05014.54
5.3.160.0170.05314.66
5.3.150.0170.05014.49
5.3.140.0170.05014.47
5.3.130.0170.05314.64
5.3.120.0070.06314.53
5.3.110.0070.06014.57
5.3.100.0200.05314.04
5.3.90.0130.05714.02
5.3.80.0230.04014.01
5.3.70.0170.04713.98
5.3.60.0170.04713.98
5.3.50.0070.05713.84
5.3.40.0100.05313.89
5.3.30.0200.04013.83
5.3.20.0070.05313.67
5.3.10.0200.04313.76
5.3.00.0100.05713.73
5.2.170.0200.04711.11
5.2.160.0170.04011.13
5.2.150.0130.04311.30
5.2.140.0200.03711.12
5.2.130.0170.03311.13
5.2.120.0130.04011.07
5.2.110.0170.03711.15
5.2.100.0100.04011.06
5.2.90.0130.04011.07
5.2.80.0130.04011.05
5.2.70.0100.04311.01
5.2.60.0100.04311.20
5.2.50.0230.03011.00
5.2.40.0070.04310.94
5.2.30.0130.04011.02
5.2.20.0130.03711.07
5.2.10.0070.04310.87
5.2.00.0130.03710.81
5.1.60.0070.03710.01
5.1.50.0130.0309.96
5.1.40.0070.0379.95
5.1.30.0170.03010.48
5.1.20.0130.03310.37
5.1.10.0170.03710.13
5.1.00.0170.02710.09
5.0.50.0070.0278.53
5.0.40.0030.0308.47
5.0.30.0030.0478.29
5.0.20.0070.0278.32
5.0.10.0070.0278.34
5.0.00.0070.0478.34
4.4.90.0030.0235.90
4.4.80.0070.0205.87
4.4.70.0000.0275.90
4.4.60.0030.0235.88
4.4.50.0070.0205.97
4.4.40.0070.0335.90
4.4.30.0070.0205.88
4.4.20.0070.0205.92
4.4.10.0070.0235.90
4.4.00.0100.0335.95
4.3.110.0070.0235.79
4.3.100.0100.0175.82
4.3.90.0100.0175.87
4.3.80.0070.0335.77
4.3.70.0100.0175.77
4.3.60.0000.0275.91
4.3.50.0070.0205.83
4.3.40.0070.0335.74
4.3.30.0030.0234.55
4.3.20.0030.0234.58
4.3.10.0070.0204.51
4.3.00.0070.0277.23

preferences:
30.54 ms | 400 KiB | 5 Q