3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { static function ucfirst($d){return ucfirst($d);} } echo foo::ucfirst("lol");

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)
8.3.60.0140.00718.18
8.3.50.0170.00317.80
8.3.40.0110.00418.52
8.3.30.0000.01418.59
8.3.20.0040.00420.07
8.3.10.0030.00623.61
8.3.00.0080.00019.00
8.2.180.0030.01418.41
8.2.170.0130.00722.96
8.2.160.0120.00322.25
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00022.30
8.2.120.0000.00826.35
8.2.110.0060.00319.24
8.2.100.0060.00619.45
8.2.90.0050.00319.14
8.2.80.0040.00417.97
8.2.70.0040.00817.50
8.2.60.0040.00417.93
8.2.50.0040.00418.16
8.2.40.0040.00420.58
8.2.30.0050.00219.24
8.2.20.0030.00617.98
8.2.10.0050.00218.00
8.2.00.0000.00718.11
8.1.280.0170.00325.92
8.1.270.0070.00020.27
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00422.62
8.1.230.0090.00317.71
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0000.00917.23
8.1.190.0000.00817.11
8.1.180.0000.00818.10
8.1.170.0060.00318.45
8.1.160.0040.00418.76
8.1.150.0030.00418.76
8.1.140.0080.00017.45
8.1.130.0030.00318.91
8.1.120.0080.00017.31
8.1.110.0040.00417.24
8.1.100.0070.00017.38
8.1.90.0030.00517.34
8.1.80.0030.00617.30
8.1.70.0000.00717.31
8.1.60.0040.00417.53
8.1.50.0040.00417.36
8.1.40.0040.00417.50
8.1.30.0020.00517.50
8.1.20.0040.00417.53
8.1.10.0040.00417.54
8.1.00.0000.00717.48
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0080.00018.36
8.0.270.0030.00317.30
8.0.260.0060.00018.36
8.0.250.0040.00417.00
8.0.240.0000.00716.93
8.0.230.0000.00616.84
8.0.220.0030.00316.79
8.0.210.0000.00716.84
8.0.200.0070.00016.86
8.0.190.0050.00316.85
8.0.180.0040.00416.77
8.0.170.0000.00816.73
8.0.160.0000.00816.89
8.0.150.0030.00616.78
8.0.140.0070.00016.68
8.0.130.0030.00313.05
8.0.120.0000.00716.64
8.0.110.0000.00716.72
8.0.100.0000.00716.77
8.0.90.0000.00716.70
8.0.80.0140.00416.65
8.0.70.0070.00016.63
8.0.60.0040.00316.77
8.0.50.0070.00016.80
8.0.30.0130.00716.85
8.0.20.0100.01017.40
8.0.10.0030.00316.94
8.0.00.0060.01216.55
7.4.330.0050.00015.55
7.4.320.0060.00016.30
7.4.300.0030.00316.38
7.4.290.0030.00316.37
7.4.280.0030.00516.55
7.4.270.0000.00716.44
7.4.260.0030.00516.51
7.4.250.0000.00716.50
7.4.240.0000.00716.46
7.4.230.0080.00016.42
7.4.220.0050.00316.38
7.4.210.0100.01016.48
7.4.200.0000.00716.52
7.4.160.0100.01016.51
7.4.150.0090.01017.40
7.4.140.0080.01117.86
7.4.130.0070.01316.50
7.4.120.0110.01016.43
7.4.110.0040.01316.47
7.4.100.0040.01216.30
7.4.90.0120.00416.57
7.4.80.0120.01119.39
7.4.70.0070.01516.64
7.4.60.0060.00916.60
7.4.50.0000.01416.26
7.4.40.0100.00716.38
7.4.00.0040.00714.82
7.3.330.0030.00313.09
7.3.320.0030.00313.04
7.3.310.0030.00316.19
7.3.300.0060.00016.24
7.3.290.0120.00716.22
7.3.280.0090.00616.22
7.3.270.0110.00717.40
7.3.260.0120.00816.31
7.3.250.0110.00916.29
7.3.240.0110.00816.28
7.3.230.0090.00816.52
7.3.210.0030.01316.39
7.3.200.0100.01016.45
7.3.190.0070.01016.23
7.3.180.0030.01316.29
7.3.170.0170.00016.17
7.3.160.0120.00416.49
7.3.10.0080.00816.50
7.3.00.0080.00816.48
7.2.330.0070.01016.53
7.2.320.0070.01016.46
7.2.310.0080.00816.28
7.2.300.0110.00516.41
7.2.290.0080.00816.69
7.2.130.0060.01016.68
7.2.120.0090.00816.76
7.2.110.0110.00716.56
7.2.100.0110.00516.40
7.2.90.0070.00916.82
7.2.80.0050.00916.78
7.2.70.0090.00916.50
7.2.60.0090.00916.77
7.2.50.0040.01016.53
7.2.40.0090.01016.75
7.2.30.0090.00916.80
7.2.20.0090.00516.71
7.2.10.0320.01016.97
7.2.00.0190.01016.96
7.1.250.0110.00315.70
7.1.200.0060.00315.90
7.1.130.0600.00717.06
7.1.120.0570.01116.59
7.1.110.0370.01516.12
7.1.100.0360.01115.86
7.1.90.0450.00716.16
7.1.80.0540.01016.21
7.1.70.0410.00915.35
7.1.60.0610.01233.16
7.1.50.0660.01032.98
7.1.40.0460.00732.59
7.1.30.0510.01132.54
7.1.20.0500.01032.79
7.1.10.0360.00714.71
7.1.00.0320.00614.83

preferences:
62.16 ms | 401 KiB | 5 Q