3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (function ($echo) { // note the extra set of parentheses! return strtoupper($echo); })('Hello world!');

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)
8.3.70.0040.01816.63
8.3.60.0110.01118.31
8.3.50.0080.01021.16
8.3.40.0180.00418.70
8.3.30.0100.00318.89
8.3.20.0040.00420.33
8.3.10.0040.00421.73
8.3.00.0070.00023.53
8.2.190.0070.01016.58
8.2.180.0150.00318.16
8.2.170.0110.00322.96
8.2.160.0090.00620.32
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00419.70
8.2.120.0000.00726.35
8.2.110.0060.00320.50
8.2.100.0090.00317.78
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0090.00017.38
8.2.60.0030.00617.80
8.2.50.0060.00318.07
8.2.40.0050.00720.25
8.2.30.0000.00819.36
8.2.20.0000.00717.66
8.2.10.0070.00018.02
8.2.00.0030.00517.86
8.1.280.0170.00325.92
8.1.270.0060.00324.04
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0060.00323.70
8.1.230.0040.00720.93
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0040.00417.23
8.1.190.0080.00017.13
8.1.180.0030.00618.10
8.1.170.0040.00418.56
8.1.160.0080.00020.65
8.1.150.0040.00418.83
8.1.140.0050.00319.51
8.1.130.0000.00717.67
8.1.120.0070.00017.42
8.1.110.0000.00717.39
8.1.100.0020.00517.45
8.1.90.0040.00417.48
8.1.80.0030.00717.28
8.1.70.0000.00717.35
8.1.60.0050.00217.48
8.1.50.0040.00417.34
8.1.40.0040.00417.47
8.1.30.0000.00817.48
8.1.20.0030.00517.58
8.1.10.0000.00717.44
8.1.00.0000.00917.34
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0080.00018.43
8.0.270.0030.00317.16
8.0.260.0000.00617.16
8.0.250.0030.00316.92
8.0.240.0000.00716.94
8.0.230.0060.00016.89
8.0.220.0030.00616.71
8.0.210.0000.00816.75
8.0.200.0000.00616.84
8.0.190.0000.00816.85
8.0.180.0100.00016.84
8.0.170.0000.00816.88
8.0.160.0080.00016.99
8.0.150.0000.00816.76
8.0.140.0030.00516.84
8.0.130.0050.00013.32
8.0.120.0030.00516.86
8.0.110.0040.00416.78
8.0.100.0020.00516.94
8.0.90.0000.00716.93
8.0.80.0000.01716.80
8.0.70.0000.00816.85
8.0.60.0030.00516.75
8.0.50.0070.00016.95
8.0.30.0100.01017.02
8.0.20.0100.01117.40
8.0.10.0040.00416.89
8.0.00.0070.01016.81
7.4.330.0000.00516.84
7.4.320.0030.00316.44
7.4.300.0000.00816.63
7.4.290.0000.00816.51
7.4.280.0040.00616.48
7.4.270.0030.00316.57
7.4.260.0080.00016.48
7.4.250.0000.00716.32
7.4.240.0050.00216.49
7.4.230.0070.00016.70
7.4.220.0100.01016.51
7.4.210.0070.01416.62
7.4.200.0030.00516.31
7.4.160.0100.01016.59
7.4.150.0060.01417.40
7.4.140.0130.00617.86
7.4.130.0120.01016.49
7.4.120.0080.00816.47
7.4.110.0140.00316.54
7.4.100.0150.00316.37
7.4.90.0070.01716.50
7.4.80.0080.00819.39
7.4.70.0070.01016.62
7.4.60.0030.01516.52
7.4.50.0000.01516.34
7.4.40.0110.01116.57
7.4.30.0150.00916.58
7.4.00.0030.00915.08
7.3.330.0060.00013.27
7.3.320.0080.00013.05
7.3.310.0000.00916.27
7.3.300.0050.00216.24
7.3.290.0070.01016.24
7.3.280.0080.00716.20
7.3.270.0070.01017.40
7.3.260.0040.01316.47
7.3.250.0120.00616.38
7.3.240.0070.01116.35
7.3.230.0090.00916.43
7.3.210.0170.00016.61
7.3.200.0030.01819.39
7.3.190.0120.01516.16
7.3.180.0090.00916.50
7.3.170.0090.00816.27
7.3.160.0000.01616.31
7.2.330.0080.00816.57
7.2.320.0150.00016.34
7.2.310.0180.00616.42
7.2.300.0070.01016.73
7.2.290.0030.01316.75
7.2.60.0040.01116.88
7.2.00.0000.01219.45
7.1.200.0000.00715.85
7.1.100.0000.00918.00
7.1.70.0000.01017.05
7.1.60.0100.01419.18
7.1.50.0050.00516.86
7.1.00.0070.07022.48
7.0.200.0270.00316.66
7.0.60.0270.07319.93
7.0.50.0100.07317.87
7.0.40.0170.06720.27
7.0.30.0330.06720.25
7.0.20.0200.06720.10
7.0.10.0030.04320.19
7.0.00.0200.07020.05
5.6.280.0000.03321.12
5.6.210.0200.06020.70
5.6.200.0070.08318.20
5.6.190.0070.08020.77
5.6.180.0470.06020.50
5.6.170.0300.05720.50
5.6.160.0070.08020.55
5.6.150.0170.05318.20
5.6.140.0070.04718.18
5.6.130.0100.06318.19
5.6.120.0070.04321.07
5.6.110.0130.07720.96
5.6.100.0130.07321.01
5.6.90.0130.08021.04
5.6.80.0070.08320.38
5.5.350.0270.07320.33
5.5.340.0100.07317.95
5.5.330.0100.04720.31
5.5.320.0270.07720.30
5.5.310.0330.08020.35
5.5.300.0130.06718.00
5.5.290.0030.08717.95
5.5.280.0000.09320.78
5.5.270.0070.08020.73
5.5.260.0100.07320.96
5.5.250.0070.08720.66
5.5.240.0170.07320.16

preferences:
62.14 ms | 401 KiB | 5 Q