3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "bla_string_bla_bla_bla"; $prefix = 'bla_'; sscanf($str, "$prefix%s", $str); var_export($str); echo "\n---\n"; $str = "string_bla_bla_bla"; sscanf($str, "$prefix%s", $str); var_export($str);

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)
8.4.130.0090.00817.68
8.4.120.0080.01024.04
8.4.110.0090.00822.18
8.4.100.0080.01218.70
8.4.90.0120.00818.58
8.4.80.0120.00820.31
8.4.70.0130.00617.71
8.4.60.0150.00618.98
8.4.50.0060.00318.36
8.4.40.0090.01017.45
8.4.30.0090.00918.79
8.4.20.0100.01019.65
8.4.10.0040.00419.46
8.3.250.0130.00618.98
8.3.240.0100.00917.09
8.3.230.0110.00316.64
8.3.220.0090.00619.04
8.3.210.0120.00716.64
8.3.200.0100.00916.76
8.3.190.0110.00716.78
8.3.180.0110.00418.82
8.3.170.0140.00420.66
8.3.160.0150.00418.85
8.3.150.0110.00917.14
8.3.140.0160.00018.39
8.3.130.0030.00616.31
8.3.120.0030.00720.62
8.3.110.0160.00217.93
8.3.100.0000.00824.06
8.3.90.0040.00426.77
8.3.80.0060.00319.36
8.3.70.0070.01116.25
8.3.60.0090.00616.32
8.3.50.0070.01416.33
8.3.40.0150.00023.47
8.3.30.0130.01022.96
8.3.20.0100.01022.96
8.3.10.0030.01722.96
8.3.00.0120.00922.96
8.2.290.0140.00420.30
8.2.280.0050.00518.51
8.2.270.0040.01519.04
8.2.260.0070.00716.61
8.2.250.0040.00418.23
8.2.240.0060.00318.97
8.2.230.0060.00322.58
8.2.220.0030.00637.54
8.2.210.0040.00426.77
8.2.200.0050.00518.88
8.2.190.0140.00316.73
8.2.180.0120.00916.50
8.2.170.0120.00322.96
8.2.160.0130.00722.96
8.2.150.0100.01022.96
8.2.140.0120.00922.96
8.2.130.0070.01322.96
8.2.120.0060.01222.96
8.2.110.0040.01422.96
8.2.100.0090.00922.96
8.2.90.0060.00922.96
8.2.80.0070.00722.96
8.2.70.0110.00422.96
8.2.60.0170.00322.96
8.2.50.0210.00022.96
8.2.40.0140.00722.96
8.2.30.0090.00622.96
8.2.20.0170.00322.96
8.2.10.0150.00622.96
8.2.00.0160.00322.96
8.1.330.0110.01022.00
8.1.320.0040.00416.10
8.1.310.0040.00416.79
8.1.300.0000.00915.93
8.1.290.0030.00630.84
8.1.280.0140.01125.92
8.1.270.0070.00722.96
8.1.260.0090.00622.96
8.1.250.0100.01022.96
8.1.240.0110.01122.96
8.1.230.0120.00322.96
8.1.220.0100.01022.96
8.1.210.0040.01122.96
8.1.200.0170.00322.96
8.1.190.0130.00722.96
8.1.180.0170.00322.96
8.1.170.0090.00622.96
8.1.160.0000.01622.96
8.1.150.0060.01022.96
8.1.140.0060.00922.96
8.1.130.0120.00922.96
8.1.120.0150.00322.96
8.1.110.0100.00722.96
8.1.100.0110.00722.96
8.1.90.0120.00322.96
8.1.80.0080.00822.96
8.1.70.0060.00922.96
8.1.60.0160.00322.96
8.1.50.0130.00722.96
8.1.40.0070.00722.96
8.1.30.0070.00722.96
8.1.20.0070.00722.96
8.1.10.0110.00422.96
8.1.00.0060.00822.96

preferences:
42.32 ms | 403 KiB | 5 Q