3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'My nAmE ïs Tom.'; // case-sensitive matching, including partial matching $array = ['foo', 'nAmE']; $regex[] = '/' . implode('|', array_map(fn($v) => preg_quote($v, '/'), $array)) . '/'; // case-insensitive matching, including partial matching $array = ['foo', 'om']; $regex[] = '/' . implode('|', array_map(fn($v) => preg_quote($v, '/'), $array)) . '/i'; // case-insensitive matching, full word matching only $array = ['foo', 'tom']; $regex[] = '/\b(?:' . implode('|', array_map(fn($v) => preg_quote($v, '/'), $array)) . ')\b/i'; // case-insensitive matching, full word matching only, multibyte aware $array = ['foo', 'ïs']; $regex[] = '/\b(?:' . implode('|', array_map(fn($v) => preg_quote($v, '/'), $array)) . ')\b/iu'; foreach ($regex as $r) { if (preg_match($r, $string, $m)) { echo "found '$m[0]' using $r on $string\n"; } else { echo "no match using $r on $string\n"; } }

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)
8.4.140.0060.00618.07
8.4.130.0150.00718.08
8.4.120.0120.01020.59
8.4.110.0150.00622.34
8.4.100.0100.01118.11
8.4.90.0130.00818.91
8.4.80.0130.00818.09
8.4.70.0090.01218.27
8.4.60.0120.00719.09
8.4.50.0050.00420.02
8.4.40.0120.00319.91
8.4.30.0080.01118.98
8.4.20.0030.01617.82
8.4.10.0100.00222.23
8.3.270.0080.01216.98
8.3.260.0100.00916.84
8.3.250.0100.00919.18
8.3.240.0120.00716.84
8.3.230.0120.00916.80
8.3.220.0150.00417.46
8.3.210.0100.00917.18
8.3.200.0050.00416.97
8.3.190.0090.00919.04
8.3.180.0060.00317.09
8.3.170.0100.01018.99
8.3.160.0120.00616.88
8.3.150.0040.00419.01
8.3.140.0100.00720.62
8.3.130.0080.00018.48
8.3.120.0090.00019.34
8.3.110.0000.00820.94
8.3.100.0080.01216.91
8.3.90.0040.00426.77
8.3.80.0030.00616.88
8.3.70.0130.01317.13
8.3.60.0120.00317.00
8.3.50.0070.01420.39
8.3.40.0140.00022.07
8.3.30.0080.00819.10
8.3.20.0000.00924.18
8.3.10.0080.00024.66
8.3.00.0000.00826.16
8.2.290.0140.00420.70
8.2.280.0050.00418.49
8.2.270.0110.00717.49
8.2.260.0090.00919.02
8.2.250.0070.01316.95
8.2.240.0080.00019.17
8.2.230.0030.00622.58
8.2.220.0060.00324.06
8.2.210.0040.00426.77
8.2.200.0080.00018.41
8.2.190.0070.01016.88
8.2.180.0120.00425.92
8.2.170.0070.00719.21
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0030.00526.16
8.2.110.0030.00720.96
8.2.100.0100.00318.16
8.2.90.0080.00018.00
8.2.80.0090.00319.01
8.2.70.0140.00248.60
8.2.60.0100.00448.74
8.2.50.0090.00448.70
8.2.40.0100.00348.84
8.2.30.0050.00748.86
8.2.20.0080.00449.40
8.2.10.0090.00448.79
8.2.00.0100.00249.38
8.1.330.0120.00721.92
8.1.320.0080.01116.41
8.1.310.0060.00317.03
8.1.300.0090.00619.90
8.1.290.0090.00030.84
8.1.280.0080.01125.92
8.1.270.0030.00620.69
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0110.00023.57
8.1.230.0070.00421.08
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0100.00248.52
8.1.190.0080.00448.35
8.1.180.0110.00248.71
8.1.170.0100.00349.01
8.1.160.0070.00550.07
8.1.150.0020.00949.06
8.1.140.0050.00848.46
8.1.130.0070.00550.05
8.1.120.0090.00448.50
8.1.110.0090.00748.42
8.1.100.0090.00848.47
8.1.90.0180.00048.47
8.1.80.0110.00448.46
8.1.70.0120.00348.46
8.1.60.0090.00548.51
8.1.50.0090.00748.41
8.1.40.0140.00348.49
8.1.30.0130.00548.50
8.1.20.0080.00948.52
8.1.10.0160.00348.53
8.1.00.0150.00448.51
8.0.300.0030.00518.77
8.0.290.0060.00548.16
8.0.280.0100.00148.94
8.0.270.0040.00948.16
8.0.260.0060.00648.87
8.0.250.0060.00648.28
8.0.240.0130.00348.24
8.0.230.0140.00248.21
8.0.220.0070.00948.23
8.0.210.0140.00448.23
8.0.200.0060.01048.28
8.0.190.0110.00548.19
8.0.180.0090.00748.24
8.0.170.0080.00948.26
8.0.160.0080.00748.23
8.0.150.0080.00948.15
8.0.140.0080.00748.20
8.0.130.0090.00748.15
8.0.120.0120.00348.18
8.0.110.0110.00448.14
8.0.100.0130.00248.13
8.0.90.0110.00448.25
8.0.80.0130.00348.27
8.0.70.0090.00748.24
8.0.60.0130.00348.26
8.0.50.0110.00448.19
8.0.30.0100.00648.24
8.0.20.0120.00548.21
8.0.10.0150.00248.23
7.4.330.0100.00047.44
7.4.320.0050.01048.12
7.4.300.0110.00348.06
7.4.290.0130.00248.01
7.4.280.0100.00548.09
7.4.270.0090.00848.14
7.4.260.0110.00548.10
7.4.250.0100.00748.06
7.4.240.0110.00548.11
7.4.230.0140.00348.03
7.4.220.0080.00848.07
7.4.210.0120.00448.02
7.4.200.0110.00448.06
7.4.190.0110.00448.07
7.4.180.0120.00348.09
7.4.160.0130.00248.04
7.4.150.0110.00448.06
7.4.140.0080.00748.01
7.4.130.0130.00148.08
7.4.120.0100.00447.97
7.4.110.0080.00748.03
7.4.100.0100.00648.05
7.4.90.0110.00447.95
7.4.80.0070.00748.05
7.4.70.0120.00347.97
7.4.60.0140.00048.04
7.4.50.0100.00547.98
7.4.40.0140.00247.98
7.4.30.0040.00947.95
7.4.20.0090.00247.90
7.4.10.0110.00348.01
7.4.00.0080.00547.97

preferences:
89.36 ms | 403 KiB | 5 Q