3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = preg_replace( '#(?P<block_comment><!--\s*+wp:\w+.*?-->\s*+)(?P<start_tag><[a-z][a-z0-9_:-]*+\s[^>]*+>)#s', 'replacement', '<!-- wp:paragraph -->' . str_repeat('a', 111101) ); $b = preg_replace( '#(?P<block_comment><!--\s*+wp:\w+.*?-->\s*+)(?P<start_tag><[a-z][a-z0-9_:-]*+\s[^>]*+>)#s', 'replacement', '<!-- wp:paragraph -->' . str_repeat('a', 111100) ); var_dump(compact('a', '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)
8.3.110.0070.00320.94
8.3.100.0040.00724.06
8.3.90.0000.01026.77
8.3.80.0120.00016.88
8.3.70.0160.01018.31
8.3.60.0120.00616.88
8.3.50.0100.01224.43
8.3.40.0070.01120.68
8.3.30.0100.01318.76
8.3.20.0060.00624.18
8.3.10.0070.00324.66
8.3.00.0040.01226.16
8.2.230.0090.00322.58
8.2.220.0070.00337.54
8.2.210.0000.00926.77
8.2.200.0080.00416.88
8.2.190.0040.01516.75
8.2.180.0120.00625.92
8.2.170.0040.01519.20
8.2.160.0100.01322.96
8.2.150.0160.00425.66
8.2.140.0030.00824.66
8.2.130.0070.00226.16
8.2.120.0050.00519.96
8.2.110.0040.01122.20
8.2.100.0060.00918.09
8.2.90.0050.00519.42
8.2.80.0000.01018.00
8.2.70.0040.00818.00
8.2.60.0000.01518.14
8.2.50.0090.00318.07
8.2.40.0070.00318.41
8.2.30.0030.00618.44
8.2.20.0030.00618.27
8.2.10.0030.00619.61
8.2.00.0030.00719.43
8.1.290.0070.00718.88
8.1.280.0120.00625.92
8.1.270.0040.00722.31
8.1.260.0070.00426.35
8.1.250.0030.00728.09
8.1.240.0060.00622.50
8.1.230.0060.00618.02
8.1.220.0000.01017.89
8.1.210.0070.00318.77
8.1.200.0040.00717.60
8.1.190.0000.01017.73
8.1.180.0000.01018.10
8.1.170.0120.00618.82
8.1.160.0000.01019.20
8.1.150.0060.00319.17
8.1.140.0000.01519.05
8.1.130.0000.01020.38
8.1.120.0080.00417.81
8.1.110.0000.01117.83
8.1.100.0000.01017.66
8.1.90.0070.00417.81
8.1.80.0000.01117.75
8.1.70.0060.00617.73
8.1.60.0070.00717.86
8.1.50.0050.00917.88
8.1.40.0000.01217.77
8.1.30.0030.01018.00
8.1.20.0030.00917.92
8.1.10.0040.00817.90
8.1.00.0030.01017.89
8.0.300.0030.00718.77
8.0.290.0030.00716.88
8.0.280.0000.00818.54
8.0.270.0040.00718.29
8.0.260.0000.00918.68
8.0.250.0050.00317.29
8.0.240.0030.00517.14
8.0.230.0000.00817.29
8.0.220.0040.00417.24
8.0.210.0000.00817.15
8.0.200.0000.00817.16
8.0.190.0060.00617.29
8.0.180.0000.01217.07
8.0.170.0030.00917.12
8.0.160.0030.00917.23
8.0.150.0040.00817.14
8.0.140.0030.00917.15
8.0.130.0030.00813.69
8.0.120.0080.00417.16
8.0.110.0000.01316.92
8.0.100.0000.01217.02
8.0.90.0060.00616.94
8.0.80.0110.00817.07
8.0.70.0000.01216.97
8.0.60.0000.01317.01
8.0.50.0060.00617.00
8.0.30.0280.02017.29
8.0.20.0360.01617.36
8.0.10.0030.01017.26
8.0.00.0170.01016.91
7.4.330.0040.00415.55
7.4.320.0030.00616.89
7.4.300.0060.00316.77
7.4.290.0060.00616.79
7.4.280.0030.01016.84
7.4.270.0030.00916.76
7.4.260.0070.00313.65
7.4.250.0000.01116.76
7.4.240.0000.01216.64
7.4.230.0000.01216.95
7.4.220.0030.00916.71
7.4.210.0070.01416.82
7.4.200.0040.00816.66
7.4.130.0060.01716.73
7.4.120.0110.02316.68
7.4.110.0130.01316.87
7.4.100.0060.01516.84
7.4.90.0060.01816.75
7.4.80.0480.02916.84
7.4.70.0500.01716.66
7.4.60.0640.04016.81
7.4.50.0110.01416.75
7.4.40.0720.01116.74
7.4.30.0160.01316.96
7.4.20.0140.00916.84
7.4.10.0060.01616.86
7.4.00.0130.00916.83
7.3.330.0060.00616.39
7.3.320.0070.00313.41
7.3.310.0040.00816.46
7.3.300.0000.01116.30
7.3.290.0120.01016.51
7.3.260.0390.01616.46
7.3.230.0180.01116.82
7.3.210.0990.01416.47
7.3.200.0160.00616.40
7.3.190.0090.01316.60
7.3.180.0260.02016.61
7.3.170.0520.00816.63
7.3.160.1070.02416.68
7.3.150.0520.02716.47
7.3.140.0490.04416.55
7.3.130.1130.03516.34
7.3.120.0070.01816.72
7.3.110.0100.01016.52
7.3.100.0090.01216.44
7.3.90.0100.01016.70
7.3.80.0090.01216.32
7.3.70.0060.01516.57
7.3.60.0070.01416.39
7.3.50.0000.02216.37
7.3.40.0210.01716.59
7.3.30.1060.02316.59
7.3.20.0090.01316.55
7.3.10.1140.02116.75
7.3.00.0530.04616.38
7.2.330.0440.02916.80
7.2.320.0480.02016.94
7.2.310.1000.02316.83
7.2.300.0650.03616.79
7.2.290.0470.01916.92
7.2.280.0890.04516.88
7.2.270.0100.01316.91
7.2.260.0590.02516.89
7.2.250.0740.01616.96
7.2.240.0210.02416.66
7.2.230.0070.01616.87
7.2.220.0070.01416.95
7.2.210.0040.01816.76
7.2.200.0150.00716.70
7.2.190.0120.01216.81
7.2.180.0110.01816.89
7.2.170.0140.00816.74
7.2.160.0560.01216.76
7.2.150.0610.01716.98
7.2.140.0170.01016.94
7.2.130.0100.01716.88
7.2.120.0130.01017.05
7.2.110.0100.01716.83
7.2.100.0090.01516.84
7.2.90.0150.00816.75
7.2.80.0250.00816.71
7.2.70.0070.01616.84
7.2.60.0090.01416.92
7.2.50.0090.01516.89
7.2.40.0130.01016.68
7.2.30.0950.01916.93
7.2.20.0570.03816.66
7.2.10.0100.01416.71
7.2.00.0040.01916.90

preferences:
82.39 ms | 8064 KiB | 5 Q