3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "blah blah blah\nhello\nblah blah blah\nclass=\"world\" \nblah blah blah\nhello \nblah blah\nhello\nblah blah blah\nhello\nblah blah blah"; echo preg_match_all('~(?:\G(?!^)|\bworld\b).*?\K\bhello\b~s', $text);

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)
8.5.10.0160.00516.95
8.5.00.0110.01020.31
8.4.150.0030.00014.05
8.4.140.0130.00717.67
8.4.130.0130.00818.47
8.4.120.0100.01117.94
8.4.110.0110.00922.42
8.4.100.0140.00717.77
8.4.90.0100.01118.36
8.4.80.0120.00817.95
8.4.70.0050.00319.94
8.4.60.0110.01018.79
8.4.50.0070.00218.80
8.4.40.0050.00318.03
8.4.30.0080.01120.47
8.4.20.0040.00818.26
8.4.10.0060.00317.77
8.3.280.0110.00918.51
8.3.270.0120.01016.63
8.3.260.0080.01016.77
8.3.250.0120.00716.67
8.3.240.0060.00216.88
8.3.230.0080.00516.67
8.3.220.0090.00917.16
8.3.210.0090.00616.80
8.3.200.0020.00716.84
8.3.190.0120.00716.86
8.3.180.0060.01316.36
8.3.170.0070.01116.48
8.3.160.0110.00717.02
8.3.150.0150.00418.88
8.3.140.0070.00418.87
8.3.130.0040.00418.18
8.3.120.0030.00718.75
8.3.110.0060.01020.94
8.3.100.0080.00024.06
8.3.90.0040.00826.77
8.3.80.0120.00016.75
8.3.70.0110.01118.45
8.3.60.0110.00718.20
8.3.50.0000.01420.10
8.3.40.0150.00419.02
8.3.30.0080.00818.61
8.3.20.0000.00824.18
8.3.10.0000.00724.66
8.3.00.0000.00826.16
8.2.290.0130.00620.80
8.2.280.0120.00618.53
8.2.270.0150.00417.09
8.2.260.0150.00417.04
8.2.250.0040.00418.50
8.2.240.0130.00717.13
8.2.230.0040.00422.58
8.2.220.0040.00437.54
8.2.210.0110.00726.77
8.2.200.0060.00918.14
8.2.190.0150.00818.66
8.2.180.0120.00325.92
8.2.170.0140.00019.14
8.2.160.0090.00622.96
8.2.150.0030.00525.66
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0080.00020.97
8.2.110.0080.00020.53
8.2.100.0060.00619.60
8.2.90.0000.00817.88
8.2.80.0000.00818.90
8.2.70.0030.00518.04
8.2.60.0040.00417.88
8.2.50.0030.00517.73
8.2.40.0030.00518.05
8.2.30.0030.00617.95
8.2.20.0040.00419.44
8.2.10.0000.00717.76
8.2.00.0040.00419.07
8.1.330.0050.00322.16
8.1.320.0110.00818.00
8.1.310.0060.00316.68
8.1.300.0000.01818.47
8.1.290.0030.00630.84
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0080.00023.88
8.1.230.0060.00919.01
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0000.00917.22
8.1.180.0000.00818.10
8.1.170.0050.00317.62
8.1.160.0070.00018.75
8.1.150.0000.00718.68
8.1.140.0040.00417.48
8.1.130.0070.00017.58
8.1.120.0070.00017.58
8.1.110.0050.00517.38
8.1.100.0070.00017.55
8.1.90.0040.00417.55
8.1.80.0030.00717.46
8.1.70.0000.00717.45
8.1.60.0000.00817.64
8.1.50.0060.00317.57
8.1.40.0000.00817.63
8.1.30.0000.00817.72
8.1.20.0000.00717.75
8.1.10.0040.00417.65
8.1.00.0040.00417.61
8.0.300.0070.00018.77
8.0.290.0000.00716.73
8.0.280.0060.00318.42
8.0.270.0000.00818.14
8.0.260.0000.00816.98
8.0.250.0030.00317.10
8.0.240.0060.00017.15
8.0.230.0000.00717.02
8.0.220.0000.00716.86
8.0.210.0070.00016.94
8.0.200.0070.00016.95
8.0.190.0050.00316.96
8.0.180.0000.00716.97
8.0.170.0030.00616.88
8.0.160.0050.00317.04
8.0.150.0000.00716.90
8.0.140.0040.00416.81
8.0.130.0030.00313.39
8.0.120.0030.00313.39
8.0.110.0060.00613.40
8.0.100.0080.00413.38
8.0.90.0070.00713.46
8.0.80.0080.00413.37
8.0.70.0130.00013.32
8.0.60.0140.00013.31
8.0.50.0120.00013.33
8.0.30.0100.00213.35
8.0.20.0130.00013.48
8.0.10.0060.00613.55
8.0.00.0000.00713.45
7.4.330.0030.00315.55
7.4.320.0030.00316.75
7.4.300.0060.00016.56
7.4.290.0050.00316.67
7.4.280.0030.00616.73
7.4.270.0070.00016.66
7.4.260.0060.00313.32
7.4.250.0150.00013.41
7.4.240.0170.00013.45
7.4.230.0060.00913.40
7.4.220.0100.00313.44
7.4.210.0090.00413.41
7.4.200.0040.00913.46
7.4.190.0090.00313.40
7.4.180.0100.00213.55
7.4.160.0150.00013.48
7.4.150.0100.00313.50
7.4.140.0080.00613.44
7.4.130.0130.00013.45
7.4.120.0100.00313.40
7.4.110.0070.00713.41
7.4.100.0100.00313.42
7.4.90.0090.00413.45
7.4.80.0100.00313.43
7.4.70.0060.00613.53
7.4.60.0100.00313.43
7.4.50.0100.00313.36
7.4.40.0090.00313.33
7.4.30.0130.00013.43
7.4.20.0080.00413.38
7.4.10.0110.00313.23
7.4.00.0090.00413.34
7.3.330.0030.00316.43
7.3.320.0130.00013.09
7.3.310.0090.00313.18
7.3.300.0070.00713.18
7.3.290.0090.00512.99
7.3.280.0130.00013.14
7.3.270.0100.00313.19
7.3.260.0110.00313.07
7.3.250.0100.00313.14
7.3.240.0070.00713.11
7.3.230.0140.00013.14
7.3.220.0080.00813.00
7.3.210.0160.00013.14
7.3.200.0150.00013.06
7.3.190.0100.00413.00
7.3.180.0090.00412.95
7.3.170.0110.00213.11
7.3.160.0000.01312.93
7.3.150.0100.00313.06
7.3.140.0120.00213.17
7.3.130.0130.00013.09
7.3.120.0090.00412.93
7.3.110.0050.01012.89
7.3.100.0110.00212.89
7.3.90.0100.00313.33
7.3.80.0110.00313.25
7.3.70.0110.00413.14
7.3.60.0060.00613.44
7.3.50.0100.00313.39
7.3.40.0070.00713.32
7.3.30.0110.00313.18
7.3.20.0140.00015.11
7.3.10.0130.00015.07
7.3.00.0070.00714.88

preferences:
34.57 ms | 403 KiB | 5 Q