3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '-ko-ok-ok-ko-'; var_dump(strchr($string, 'o')); // o-ok-ok-ko- var_dump(strrchr($string, 'o')); // o- var_dump(strchr($string, 'ok')); // ok-ok-ko- var_dump(strrchr($string, 'ok')); // Should be ok-ko-

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)
8.4.120.0120.00820.23
8.4.110.0060.00218.54
8.4.100.0060.00617.61
8.4.90.0080.00317.58
8.4.80.0120.00818.45
8.4.70.0100.01018.12
8.4.60.0130.00718.33
8.4.50.0090.01417.58
8.4.40.0100.01017.52
8.4.30.0080.00020.37
8.4.20.0160.00619.63
8.4.10.0110.00019.31
8.3.250.0080.01018.99
8.3.240.0030.00616.64
8.3.230.0100.00916.20
8.3.220.0040.00418.74
8.3.210.0110.00718.41
8.3.200.0070.00216.61
8.3.190.0120.00617.25
8.3.180.0100.00816.41
8.3.170.0000.01417.08
8.3.160.0110.00718.29
8.3.150.0090.00916.89
8.3.140.0000.00816.43
8.3.130.0060.00318.49
8.3.120.0060.00320.39
8.3.110.0380.00622.58
8.3.100.0440.01022.58
8.3.90.0400.00922.58
8.3.80.0390.01122.58
8.3.70.0330.01722.58
8.3.60.0370.01222.58
8.3.50.0420.00822.58
8.3.40.0350.00722.58
8.3.30.0280.01322.58
8.3.20.0270.01022.58
8.3.10.0190.00622.58
8.3.00.0070.00422.58
8.2.290.0040.00420.61
8.2.280.0110.01118.62
8.2.270.0150.00418.39
8.2.260.0080.00016.57
8.2.250.0070.00716.55
8.2.240.0000.00918.98
8.2.230.0300.01022.58
8.2.220.0220.00722.58
8.2.210.0240.00922.58
8.2.200.0370.00022.58
8.2.190.0370.00022.58
8.2.180.0310.01022.58
8.2.170.0330.00822.58
8.2.160.0360.00722.58
8.2.150.0330.01122.58
8.2.140.0340.01322.58
8.2.130.0440.00022.58
8.2.120.0300.01322.58
8.2.110.0340.00922.58
8.2.100.0390.00422.58
8.2.90.0380.00622.58
8.2.80.0400.00322.58
8.2.70.0380.00822.58
8.2.60.0390.00622.58
8.2.50.0490.00822.58
8.2.40.0270.01322.58
8.2.30.0350.00622.58
8.2.20.0350.00922.58
8.2.10.0350.00822.58
8.2.00.0380.00822.58
8.1.330.0070.01120.24
8.1.320.0090.01116.21
8.1.310.0040.01118.06
8.1.300.0120.00818.21
8.1.290.0300.01122.58
8.1.280.0300.00722.58
8.1.270.0220.01322.58
8.1.260.0370.00622.58
8.1.250.0280.01622.58
8.1.240.0340.01022.58
8.1.230.0400.00422.58
8.1.220.0300.01022.58
8.1.210.0310.01022.58
8.1.200.0270.01322.58
8.1.190.0270.01222.58
8.1.180.0320.01022.58
8.1.170.0280.01122.58
8.1.160.0280.01022.58
8.1.150.0270.01522.58
8.1.140.0240.00922.58
8.1.130.0180.01422.58
8.1.120.0160.00322.58
8.1.110.0150.00422.58
8.1.100.0180.00022.58
8.1.90.0220.00622.58
8.1.80.0260.01222.58
8.1.70.0240.01722.58
8.1.60.0240.00322.58
8.1.50.0510.00722.58
8.1.40.0340.01022.58
8.1.30.0320.01122.58
8.1.20.0400.00422.58
8.1.10.0370.00022.58
8.1.00.0310.01222.58

preferences:
25.96 ms | 403 KiB | 5 Q