3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = str_repeat("Iñtërnâtiônàlizætiøn", 1000); echo strlen($string) . "\n"; $result = preg_match( '/\A(?> [\x00-\x7F]+ # ASCII | [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte | \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte | \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates | \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 )*\z/x', $string ); echo "result: "; var_dump($result); echo "pcre.jit: "; var_dump(ini_get('pcre.jit')); echo "pcre.backtrack_limit: "; var_dump(ini_get('pcre.backtrack_limit')); echo "pcre.recursion_limit: "; var_dump(ini_get('pcre.recursion_limit')); if(defined('PREG_JIT_STACKLIMIT_ERROR')){ assert(preg_last_error() === PREG_JIT_STACKLIMIT_ERROR); }

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)
8.5.30.0110.01118.87
8.5.20.0110.00620.29
8.5.10.0070.00920.29
8.5.00.0150.00720.55
8.4.180.0150.00920.10
8.4.170.0130.00920.80
8.4.160.0060.00423.45
8.4.150.0080.00417.12
8.4.140.0130.00818.29
8.4.130.0060.00519.98
8.4.120.0050.00422.33
8.4.110.0030.00622.36
8.4.100.0080.00218.77
8.4.90.0080.01220.79
8.4.80.0030.00818.42
8.4.70.0060.00518.18
8.4.60.0080.01418.48
8.4.50.0090.00319.06
8.4.40.0120.00920.05
8.4.30.0130.00717.86
8.4.20.0180.00418.06
8.4.10.0030.00618.14
8.3.300.0140.01020.95
8.3.290.0130.00722.70
8.3.280.0100.01019.00
8.3.270.0150.00817.13
8.3.260.0140.00416.91
8.3.250.0060.00219.02
8.3.240.0040.00520.67
8.3.230.0110.00916.83
8.3.220.0110.00819.22
8.3.210.0110.00616.79
8.3.200.0040.00518.82
8.3.190.0060.00217.29
8.3.180.0110.01119.07
8.3.170.0090.00917.47
8.3.160.0000.01416.97
8.3.150.0120.00617.04
8.3.140.0080.00019.01
8.3.130.0050.00317.03
8.3.120.0080.01218.96
8.3.110.0060.00320.94
8.3.100.0040.00424.06
8.3.90.0160.00326.77
8.3.80.0070.00417.00
8.3.70.0120.00616.98
8.3.60.0070.00718.81
8.3.50.0120.00522.11
8.3.40.0120.00619.26
8.3.30.0120.00319.08
8.3.20.0060.00320.43
8.3.10.0080.00023.82
8.3.00.0050.00321.09
8.2.300.0130.00718.50
8.2.290.0080.01020.64
8.2.280.0120.00717.11
8.2.270.0100.00717.05
8.2.260.0100.01017.06
8.2.250.0130.00317.24
8.2.240.0100.00019.46
8.2.230.0060.00322.58
8.2.220.0050.00337.54
8.2.210.0060.01026.77
8.2.200.0090.00018.91
8.2.190.0110.00716.72
8.2.180.0070.00725.92
8.2.170.0040.01519.29
8.2.160.0110.00319.26
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0050.00322.39
8.2.120.0040.00426.35
8.2.110.0050.00521.13
8.2.100.0110.00017.93
8.2.90.0080.00019.32
8.2.80.0080.00018.00
8.2.70.0050.00317.88
8.2.60.0000.00918.05
8.2.50.0040.00418.10
8.2.40.0080.00020.71
8.2.30.0040.00419.36
8.2.20.0080.00318.10
8.2.10.0000.00818.04
8.2.00.0040.00418.11
8.1.340.0120.00817.91
8.1.330.0110.00822.35
8.1.320.0120.00916.71
8.1.310.0090.00916.91
8.1.300.0000.01016.77
8.1.290.0060.00318.88
8.1.280.0040.01825.92
8.1.270.0000.00920.73
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0050.00521.49
8.1.230.0090.00317.89
8.1.220.0030.00617.78
8.1.210.0000.00818.77
8.1.200.0130.00017.60
8.1.190.0050.00417.48
8.1.180.0000.00818.10
8.1.170.0060.00618.90
8.1.160.0040.00419.20
8.1.150.0050.00219.02
8.1.140.0040.00419.70
8.1.130.0000.00717.81
8.1.120.0040.00417.78
8.1.110.0040.00417.69
8.1.100.0050.00317.77
8.1.90.0000.00817.81
8.1.80.0000.00817.77
8.1.70.0030.00317.82
8.1.60.0000.00817.89
8.1.50.0040.00417.91
8.1.40.0000.00817.86
8.1.30.0050.00317.92
8.1.20.0040.00418.01
8.1.10.0030.00517.89
8.1.00.0040.00417.85
8.0.300.0040.00418.77
8.0.290.0040.00417.13
8.0.280.0040.00418.61
8.0.270.0030.00317.41
8.0.260.0030.00517.48
8.0.250.0000.00717.32
8.0.240.0030.00317.28
8.0.230.0000.00817.31
8.0.220.0000.00717.27
8.0.210.0040.00417.31
8.0.200.0050.00317.30
8.0.190.0040.00417.32
8.0.180.0050.00217.28
8.0.170.0030.00517.30
8.0.160.0050.00217.22
8.0.150.0000.00817.23
8.0.140.0050.00317.20
8.0.130.0060.00313.71
8.0.120.0050.00317.21
8.0.110.0030.00517.14
8.0.100.0000.00817.05
8.0.90.0000.00717.25
8.0.80.0030.01517.22
8.0.70.0040.00417.03
8.0.60.0040.00417.02
8.0.50.0040.00417.14
8.0.30.0100.00917.27
8.0.20.0110.00917.48
8.0.10.0050.00217.38
8.0.00.0080.00817.27
7.4.330.0000.00615.08
7.4.320.0000.00716.76
7.4.300.0000.00616.82
7.4.290.0000.00717.00
7.4.280.0030.00616.80
7.4.270.0000.00716.88
7.4.260.0000.00716.80
7.4.250.0050.00316.77
7.4.240.0000.00816.86
7.4.230.0000.00716.85
7.4.220.0070.01116.93
7.4.210.0160.00016.82
7.4.200.0000.00716.97
7.4.160.0120.00816.95
7.4.150.0120.00617.40
7.4.140.0110.00717.86
7.4.130.0100.00716.80
7.4.120.0120.00616.83
7.4.110.0090.00916.97
7.4.100.0110.00716.85
7.4.90.0100.00716.86
7.4.80.0100.01319.39
7.4.70.0150.00417.17
7.4.60.0160.00016.85
7.4.50.0040.01116.69
7.4.40.0100.00716.90
7.4.30.0180.00316.82
7.4.00.0110.00315.33
7.3.330.0050.00313.50
7.3.320.0050.00013.54
7.3.310.0050.00216.51
7.3.300.0030.00616.70
7.3.290.0120.00616.64
7.3.280.0080.00816.69
7.3.270.0100.00717.40
7.3.260.0130.00916.79
7.3.250.0070.01216.62
7.3.240.0090.00916.71
7.3.230.0060.01216.61
7.3.210.0090.01216.61
7.3.200.0160.00016.63
7.3.190.0130.00516.80
7.3.180.0050.01416.94
7.3.170.0050.01316.56
7.3.160.0190.00316.63
7.2.330.0030.01416.67
7.2.320.0110.00816.79
7.2.310.0080.01116.82
7.2.300.0170.00716.83
7.2.290.0040.01616.99
7.2.60.0030.01017.11
7.2.50.0070.01017.00
7.1.200.0030.01215.83
7.1.70.0000.00717.52
7.1.60.0100.01619.90
7.1.50.0100.01317.17
7.1.00.0070.07322.40
7.0.200.0510.00014.95
7.0.70.1370.06320.18
7.0.60.1700.06320.04
7.0.50.1170.06720.42
7.0.40.1230.06020.45
7.0.30.1500.06320.38
7.0.20.1500.06020.46
7.0.10.1330.05320.40
7.0.00.1430.06320.34
5.6.220.1270.07027.66
5.6.210.1230.09327.33
5.6.200.1200.06727.93
5.6.190.1330.05727.88
5.6.180.1570.06327.92
5.6.170.1400.05727.84
5.6.160.1200.06728.02
5.6.150.1200.07727.85
5.6.140.1270.06327.90
5.6.130.1270.06727.92
5.6.120.1330.07727.99
5.6.110.1400.06027.93
5.6.100.1330.05727.76
5.6.90.1170.07027.79
5.6.80.0970.07327.38
5.6.70.1400.06027.20
5.6.60.1470.06327.29
5.6.50.1330.06727.34
5.6.40.1170.06727.29
5.6.30.1330.04727.35
5.6.20.1370.06327.18
5.6.10.1270.06727.28
5.6.00.1330.06327.24
5.5.360.1200.06027.48
5.5.350.1270.06327.34
5.5.340.1200.07027.60
5.5.330.1600.06327.63
5.5.320.1370.08327.76
5.5.310.1370.05327.74
5.5.300.1500.05327.77
5.5.290.1200.07027.66
5.5.280.0800.07327.81
5.5.270.1430.06727.63
5.5.260.1030.07727.61
5.5.250.1130.06327.43
5.5.240.1500.05327.13
5.5.230.1330.05327.15
5.5.220.1200.07026.97
5.5.210.1300.06327.19
5.5.200.1030.07327.13
5.5.190.1030.07327.10
5.5.180.1330.06026.95
5.5.160.1230.07327.13
5.5.150.1270.07027.13
5.5.140.1170.08026.86
5.5.130.1300.08726.97
5.5.120.1500.06726.96
5.5.110.1400.06027.09
5.5.100.1430.10026.90
5.5.90.1200.06026.98
5.5.80.1400.06326.86
5.5.70.1370.05026.98
5.5.60.1170.06026.91
5.5.50.1000.06726.79
5.5.40.1200.06026.99
5.5.30.1330.07726.96
5.5.20.1200.07327.04
5.5.10.1200.05326.93
5.5.00.1230.06026.84

preferences:
99.68 ms | 1703 KiB | 5 Q