3v4l.org

run code in 300+ PHP versions simultaneously
<?php function str_case_cmp($a, $b) { return 0 === strcasecmp( $a, $b ); } function str_to_lower($a, $b) { return strtolower($a) === strtolower($b); }

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)
8.4.120.0110.00823.74
8.4.110.0020.00818.70
8.4.100.0140.00618.79
8.4.90.0120.00820.47
8.4.80.0130.00618.49
8.4.70.0050.00318.04
8.4.60.0110.00918.86
8.4.50.0100.01018.31
8.4.40.0130.00617.35
8.4.30.0100.01018.84
8.4.20.0040.00421.45
8.4.10.0100.01019.21
8.3.250.0080.00618.99
8.3.240.0080.01017.16
8.3.230.0100.01016.73
8.3.220.0140.00418.72
8.3.210.0150.00416.25
8.3.200.0030.00516.33
8.3.190.0110.00716.96
8.3.180.0130.00817.03
8.3.170.0110.00718.53
8.3.160.0030.01516.99
8.3.150.0130.00617.21
8.3.140.0070.01020.83
8.3.130.0040.00418.54
8.3.120.0110.00418.37
8.3.110.0040.00418.29
8.3.100.0060.00316.33
8.3.90.0070.00017.91
8.3.80.0040.00417.97
8.3.70.0450.00717.97
8.3.60.0380.01217.97
8.3.50.0120.00317.97
8.3.40.0210.01117.97
8.3.30.0280.00917.97
8.3.20.0320.01017.97
8.3.10.0330.00717.97
8.3.00.0380.00317.97
8.2.290.0100.00620.07
8.2.280.0100.00518.49
8.2.270.0110.00717.07
8.2.260.0000.00818.41
8.2.250.0080.00016.45
8.2.240.0030.00616.80
8.2.230.0080.00020.94
8.2.220.0070.00724.06
8.2.210.0140.00426.77
8.2.200.0030.00618.41
8.2.190.0410.00317.97
8.2.180.0410.01017.97
8.2.170.0260.01217.97
8.2.160.0360.01017.97
8.2.150.0300.00517.97
8.2.140.0230.00617.97
8.2.130.0250.00417.97
8.2.120.0180.00917.97
8.2.110.0160.01217.97
8.2.100.0270.00017.97
8.2.90.0110.01517.97
8.2.80.0130.00917.97
8.2.70.0270.00017.97
8.2.60.0240.00617.97
8.2.50.0280.01117.97
8.2.40.0220.00917.97
8.2.30.0330.00917.97
8.2.20.0320.01117.97
8.2.10.0420.00617.97
8.2.00.0450.00317.97
8.1.330.0110.00721.80
8.1.320.0080.00817.54
8.1.310.0110.00816.80
8.1.300.0060.01317.60
8.1.290.0090.00018.88
8.1.280.0390.01117.97
8.1.270.0390.00617.97
8.1.260.0250.01417.97
8.1.250.0240.01017.97
8.1.240.0310.00517.97
8.1.230.0270.00417.97
8.1.220.0300.00317.97
8.1.210.0250.01117.97
8.1.200.0340.00317.97
8.1.190.0330.00717.97
8.1.180.0380.00317.97
8.1.170.0360.00717.97
8.1.160.0300.00917.97
8.1.150.0270.00017.97
8.1.140.0190.00317.97
8.1.130.0240.00017.97
8.1.120.0170.00417.97
8.1.110.0120.00817.97
8.1.100.0210.00017.97
8.1.90.0210.00417.97
8.1.80.0240.00317.97
8.1.70.0260.00317.97
8.1.60.0300.00317.97
8.1.50.0330.00317.97
8.1.40.0290.00617.97
8.1.30.0310.00917.97
8.1.20.0200.01117.97
8.1.10.0360.00817.97
8.1.00.0300.01017.97

preferences:
28.4 ms | 403 KiB | 5 Q