3v4l.org

run code in 300+ PHP versions simultaneously
<?php $char = 'a'; for($i = 0; $i < 3752126; ++$i) echo ++$char; echo $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)
8.3.60.0570.00616.48
8.3.50.0630.00722.01
8.3.40.0570.01118.70
8.3.30.0370.02619.21
8.3.20.0260.00020.35
8.3.10.0220.01123.66
8.3.00.0230.01222.32
8.2.180.0270.01316.63
8.2.170.0560.01722.96
8.2.160.0460.01620.39
8.2.150.0130.00924.18
8.2.140.0210.01124.66
8.2.130.0470.00326.16
8.2.120.0220.01122.20
8.2.110.0460.00022.04
8.2.100.0360.01317.78
8.2.90.0070.00719.22
8.2.80.0080.00818.04
8.2.70.0180.00017.38
8.2.60.0110.00417.93
8.2.50.0100.00318.07
8.2.40.0140.00018.16
8.2.30.0220.00718.31
8.2.20.0150.00617.70
8.2.10.0100.00317.72
8.2.00.0220.00017.59
8.1.280.0240.01725.92
8.1.270.0220.00922.19
8.1.260.0330.00026.35
8.1.250.0300.00328.09
8.1.240.0480.00023.71
8.1.230.0420.00618.82
8.1.220.0090.01217.74
8.1.210.0110.00418.77
8.1.200.0210.00017.23
8.1.190.0040.01117.41
8.1.180.0070.00718.10
8.1.170.0170.00318.53
8.1.160.0060.01521.89
8.1.150.0110.00318.51
8.1.140.0150.00017.36
8.1.130.0160.00417.93
8.1.120.0110.00317.46
8.1.110.0100.00317.48
8.1.100.0030.01017.48
8.1.90.0100.00317.36
8.1.80.0130.00717.50
8.1.70.0110.01117.44
8.1.60.0030.01217.59
8.1.50.0130.00317.53
8.1.40.0150.00017.43
8.1.30.0070.00717.60
8.1.20.0140.00317.48
8.1.10.0160.00017.52
8.1.00.0080.00517.51
8.0.300.0140.00618.77
8.0.290.0100.00316.91
8.0.280.0080.01218.30
8.0.270.0100.00717.25
8.0.260.0150.00616.67
8.0.250.0080.00816.79
8.0.240.0100.00316.88
8.0.230.0100.00316.80
8.0.220.0070.00716.68
8.0.210.0100.00316.74
8.0.200.0060.00616.84
8.0.190.0070.00716.67
8.0.180.0110.00416.78
8.0.170.0040.01116.83
8.0.160.0140.00416.64
8.0.150.0100.00316.76
8.0.140.0080.00516.72
8.0.130.0070.01113.25
8.0.120.0070.00716.76
8.0.110.0100.00716.59
8.0.100.0100.00316.74
8.0.90.0070.00716.60
8.0.80.0270.02016.75
8.0.70.0110.00416.54
8.0.60.0100.00316.62
8.0.50.0070.00716.63
8.0.30.0710.04616.97
8.0.20.0570.03017.40
8.0.10.0110.00416.72
8.0.00.0730.03916.59
7.4.330.0030.01015.00
7.4.320.0110.00416.36
7.4.300.0100.01016.42
7.4.290.0100.00616.39
7.4.280.0110.00716.40
7.4.270.0140.00716.32
7.4.260.0100.00316.36
7.4.250.0120.00616.37
7.4.240.0090.00616.39
7.4.230.0110.00416.39
7.4.220.0370.02716.38
7.4.210.0240.03616.37
7.4.200.0070.00716.20
7.4.190.0100.00316.32
7.4.160.0780.02416.27
7.4.150.1120.05917.40
7.4.140.0810.02717.86
7.4.130.0720.03416.29
7.4.120.1010.02916.38
7.4.110.0400.04316.50
7.4.100.0920.03216.29
7.4.90.0620.05416.36
7.4.80.0590.04919.39
7.4.70.0650.06216.40
7.4.60.0350.02316.43
7.4.50.0260.01116.36
7.4.40.0240.01722.77
7.4.30.0680.05916.32
7.4.00.0190.01614.65
7.3.330.0140.00513.18
7.3.320.0060.00612.98
7.3.310.0030.01015.97
7.3.300.0060.00916.24
7.3.290.0620.02916.17
7.3.280.0230.03116.22
7.3.270.0840.03117.40
7.3.260.0910.02616.20
7.3.250.0860.03916.24
7.3.240.0680.03616.53
7.3.230.0730.06116.39
7.3.210.0510.02516.53
7.3.200.0640.04719.39
7.3.190.0780.03616.40
7.3.180.0470.04016.50
7.3.170.0410.04816.45
7.3.160.0770.04416.44
7.3.120.0140.02114.86
7.2.330.0790.02816.67
7.2.320.0550.03216.58
7.2.310.0580.04016.29
7.2.300.0570.03716.55
7.2.290.0440.02016.54
7.2.60.0260.00716.94
7.1.200.0130.01615.33
7.1.70.0100.00716.71
7.1.60.0270.02019.29
7.1.50.0330.01734.98
7.0.200.0180.00716.56

preferences:
36.54 ms | 401 KiB | 5 Q