3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'A'; var_dump(chr(ord($a)) + 5);

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)
8.3.70.0110.01118.20
8.3.60.0100.01016.49
8.3.50.0130.00316.37
8.3.40.0110.00418.84
8.3.30.0150.00018.67
8.3.20.0080.00020.04
8.3.10.0050.00223.66
8.3.00.0080.00021.91
8.2.190.0140.00016.58
8.2.180.0120.00918.54
8.2.170.0030.01022.96
8.2.160.0070.00719.08
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00021.18
8.2.120.0070.00326.16
8.2.110.0100.00020.50
8.2.100.0130.00017.75
8.2.90.0050.00319.02
8.2.80.0040.00418.04
8.2.70.0040.00817.63
8.2.60.0060.00317.93
8.2.50.0040.00418.10
8.2.40.0040.00420.41
8.2.30.0030.00619.08
8.2.20.0000.00817.91
8.2.10.0040.00418.00
8.2.00.0080.00017.92
8.1.280.0140.00325.92
8.1.270.0000.00722.10
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0110.00022.12
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0050.00317.35
8.1.180.0030.00618.10
8.1.170.0000.00820.72
8.1.160.0030.00319.01
8.1.150.0040.00418.83
8.1.140.0000.00819.38
8.1.130.0060.00318.84
8.1.120.0000.00717.28
8.1.110.0080.00017.38
8.1.100.0030.00617.27
8.1.90.0040.00417.28
8.1.80.0070.00017.39
8.1.70.0070.00017.28
8.1.60.0030.00517.40
8.1.50.0050.00317.40
8.1.40.0000.00817.51
8.1.30.0040.00417.64
8.1.20.0000.00817.61
8.1.10.0040.00417.47
8.1.00.0000.00717.48
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0040.00418.39
8.0.270.0070.00017.11
8.0.260.0000.00716.85
8.0.250.0000.00716.84
8.0.240.0040.00416.84
8.0.230.0000.00816.83
8.0.220.0030.00316.81
8.0.210.0040.00416.88
8.0.200.0040.00416.84
8.0.190.0040.00416.89
8.0.180.0000.00716.81
8.0.170.0080.00016.90
8.0.160.0040.00416.87
8.0.150.0000.00716.82
8.0.140.0080.00016.85
8.0.130.0030.00313.27
8.0.120.0000.00716.81
8.0.110.0030.00616.93
8.0.100.0000.00717.00
8.0.90.0000.00716.85
8.0.80.0140.00316.83
8.0.70.0070.00016.90
8.0.60.0000.00816.80
8.0.50.0000.00716.77
8.0.30.0100.01017.00
8.0.20.0140.00617.40
8.0.10.0040.00416.95
8.0.00.0090.01016.77
7.4.330.0000.00515.55
7.4.320.0000.00716.34
7.4.300.0030.00316.42
7.4.290.0000.00816.32
7.4.280.0000.00716.50
7.4.270.0070.00016.44
7.4.260.0000.00816.53
7.4.250.0080.00016.39
7.4.240.0000.00816.41
7.4.230.0070.00016.46
7.4.220.0070.01016.38
7.4.210.0090.00616.35
7.4.200.0030.00316.34
7.4.160.0080.00916.50
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0150.00816.41
7.4.120.0110.00916.43
7.4.110.0100.00716.21
7.4.100.0100.00716.40
7.4.90.0070.01016.32
7.4.80.0100.00719.39
7.4.70.0090.00616.34
7.4.60.0070.01016.52
7.4.50.0070.00716.50
7.4.40.0080.00816.22
7.4.30.0300.01716.45
7.4.00.0100.00314.84
7.3.330.0030.00313.09
7.3.320.0000.00513.01
7.3.310.0070.00016.09
7.3.300.0070.00016.25
7.3.290.0040.01016.22
7.3.280.0060.00916.21
7.3.270.0070.01017.40
7.3.260.0180.00316.29
7.3.250.0110.00616.28
7.3.240.0110.00616.19
7.3.230.0130.00316.13
7.3.210.0060.01016.18
7.3.200.0160.00016.31
7.3.190.0060.00916.16
7.3.180.0120.00316.23
7.3.170.0060.00916.36
7.3.160.0200.00316.20
7.2.330.0060.01116.35
7.2.320.0060.01416.46
7.2.310.0030.01316.63
7.2.300.0080.00916.48
7.2.290.0190.00616.32
7.2.60.0120.00316.84
7.1.200.0100.00615.66
7.1.70.0100.00917.03
7.1.60.0290.00935.14
7.1.50.0210.01334.43
7.1.40.0240.01034.32
7.1.30.0200.01334.33
7.1.20.0310.00634.71
7.1.10.0060.00916.59
7.1.00.0080.01116.36
7.0.200.0050.01616.42
7.0.190.0100.00916.51
7.0.180.0040.01216.07
7.0.170.0100.00716.30
7.0.160.0040.01216.11
7.0.150.0070.01416.13
7.0.140.0060.00916.36
7.0.130.0090.01216.36
7.0.120.0120.00616.36
7.0.110.0120.00616.27
7.0.100.0060.00916.10
7.0.90.0040.01116.25
7.0.80.0120.00916.29
7.0.70.0050.01716.14
7.0.60.0180.00016.02
7.0.50.0060.01516.32
7.0.40.0070.01216.55
7.0.30.0050.01616.34
7.0.20.0060.01316.34
7.0.10.0080.00816.31
7.0.00.0080.01216.29

preferences:
19.72 ms | 401 KiB | 5 Q