3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = str_repeat("Iñtërnâtiônàlizætiøn", 100); echo strlen($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)
8.3.60.0070.01118.65
8.3.50.0130.00318.30
8.3.40.0040.01119.04
8.3.30.0100.00718.92
8.3.20.0150.00420.06
8.3.10.0040.00421.91
8.3.00.0040.00420.80
8.2.180.0000.01516.88
8.2.170.0080.00822.96
8.2.160.0090.00619.46
8.2.150.0040.01124.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0050.00320.07
8.2.110.0000.00921.01
8.2.100.0090.00317.93
8.2.90.0040.00419.17
8.2.80.0050.00318.00
8.2.70.0000.00817.74
8.2.60.0030.00617.93
8.2.50.0040.00418.10
8.2.40.0080.00020.54
8.2.30.0040.00419.45
8.2.20.0030.00517.86
8.2.10.0000.00718.11
8.2.00.0000.00818.09
8.1.280.0090.00925.92
8.1.270.0080.00024.09
8.1.260.0090.00026.35
8.1.250.0000.00928.09
8.1.240.0090.00022.84
8.1.230.0090.00317.83
8.1.220.0000.00817.77
8.1.210.0040.00418.77
8.1.200.0040.00417.60
8.1.190.0030.00517.60
8.1.180.0060.00318.10
8.1.170.0120.00018.91
8.1.160.0000.00719.02
8.1.150.0000.00918.89
8.1.140.0000.00719.67
8.1.130.0040.00417.80
8.1.120.0030.00317.69
8.1.110.0030.00617.67
8.1.100.0040.00417.71
8.1.90.0000.00717.66
8.1.80.0000.00817.58
8.1.70.0000.00817.60
8.1.60.0080.00017.77
8.1.50.0030.00517.70
8.1.40.0050.00317.79
8.1.30.0030.00517.90
8.1.20.0000.00817.79
8.1.10.0000.00817.82
8.1.00.0050.00317.74
8.0.300.0000.00818.77
8.0.290.0040.00417.00
8.0.280.0000.00718.58
8.0.270.0000.00717.28
8.0.260.0060.00317.38
8.0.250.0000.00817.21
8.0.240.0000.00717.13
8.0.230.0000.00717.23
8.0.220.0000.00817.23
8.0.210.0040.00417.13
8.0.200.0000.00617.17
8.0.190.0080.00017.11
8.0.180.0070.00017.15
8.0.170.0040.00417.25
8.0.160.0070.00017.27
8.0.150.0000.00717.10
8.0.140.0030.00416.96
8.0.130.0050.00313.58
8.0.120.0050.00317.09
8.0.110.0070.00017.04
8.0.100.0000.00817.20
8.0.90.0000.00717.19
8.0.80.0100.00717.05
8.0.70.0050.00217.05
8.0.60.0020.00517.11
8.0.50.0040.00416.93
8.0.30.0120.00817.31
8.0.20.0140.00617.40
8.0.10.0000.00717.04
8.0.00.0100.01016.95
7.4.330.0050.00015.13
7.4.320.0030.00316.89
7.4.300.0040.00416.78
7.4.290.0050.00216.70
7.4.280.0030.00616.91
7.4.270.0000.00716.96
7.4.260.0060.00616.84
7.4.250.0000.00816.63
7.4.240.0040.00416.82
7.4.230.0030.00316.89
7.4.220.0120.01216.72
7.4.210.0090.01216.90
7.4.200.0040.00416.63
7.4.160.0130.00316.81
7.4.150.0090.00917.40
7.4.140.0050.01217.86
7.4.130.0110.00716.85
7.4.120.0130.00716.73
7.4.110.0100.00716.63
7.4.100.0140.00316.72
7.4.90.0180.00016.78
7.4.80.0030.01619.39
7.4.70.0180.00616.75
7.4.60.0090.00916.71
7.4.50.0030.00716.76
7.4.40.0120.01216.51
7.4.30.0040.01216.98
7.4.00.0050.01015.17
7.3.330.0000.00613.41
7.3.320.0030.00313.47
7.3.310.0000.00816.45
7.3.300.0030.00316.44
7.3.290.0080.00816.65
7.3.280.0100.00716.59
7.3.270.0100.00717.40
7.3.260.0070.01016.79
7.3.250.0140.00816.59
7.3.240.0120.00816.62
7.3.230.0070.01016.75
7.3.210.0080.00816.53
7.3.200.0060.01616.63
7.3.190.0070.01016.77
7.3.180.0030.01316.52
7.3.170.0090.00916.57
7.3.160.0060.01216.85
7.3.120.0040.01415.41
7.3.110.0100.00615.05
7.3.100.0000.00915.17
7.3.90.0110.00414.84
7.3.80.0060.00615.07
7.3.70.0070.00715.05
7.3.60.0040.00715.17
7.3.50.0060.00614.90
7.3.40.0060.00514.81
7.3.30.0070.00315.21
7.3.20.0090.00617.07
7.3.10.0000.01016.98
7.3.00.0000.01316.88
7.2.330.0030.01416.82
7.2.320.0060.01916.75
7.2.310.0030.02016.88
7.2.300.0090.00916.88
7.2.290.0120.01216.81
7.2.250.0070.00715.28
7.2.240.0140.00715.31
7.2.230.0120.00315.13
7.2.220.0090.00615.12
7.2.210.0030.00715.02
7.2.200.0000.01415.13
7.2.190.0000.01214.83
7.2.180.0070.00415.13
7.2.170.0040.01115.27
7.2.130.0060.00617.34
7.2.120.0060.00317.13
7.2.110.0080.00517.19
7.2.100.0030.00717.20
7.2.90.0060.01016.94
7.2.80.0040.00717.39
7.2.70.0070.00716.78
7.2.60.0030.01217.16
7.2.50.0000.01617.28
7.2.40.0000.01217.15
7.2.30.0060.00617.14
7.2.20.0070.00416.90
7.2.10.0040.01116.92
7.2.00.0040.01018.08
7.1.330.0060.00615.95
7.1.320.0080.00416.04
7.1.310.0040.00716.00
7.1.300.0090.00615.91
7.1.290.0030.00615.98
7.1.280.0090.00316.16
7.1.270.0040.01115.95
7.1.260.0090.00316.14
7.1.250.0000.00915.97
7.1.200.0040.01115.98
7.1.100.0600.01216.35
7.1.70.0000.00717.22
7.1.60.0100.01319.90
7.1.50.0060.01917.27
7.1.00.0000.08022.59
7.0.200.0390.00314.63
7.0.70.0700.06320.02
7.0.60.0500.05320.19
7.0.50.0400.07020.49
7.0.40.0470.05720.36
7.0.30.0570.04720.41
7.0.20.0500.06020.25
7.0.10.0330.06720.39
7.0.00.0570.06320.30
5.6.280.0030.07322.76
5.6.220.0530.05722.36
5.6.210.0470.06322.40
5.6.200.0430.06022.77
5.6.190.0530.06322.82
5.6.180.0470.05722.81
5.6.170.0430.04722.75
5.6.160.0430.06322.69
5.6.150.0370.05722.70
5.6.140.0700.06722.86
5.6.130.0430.06022.74
5.6.120.0170.06022.79
5.6.110.0270.05722.68
5.6.100.0500.07022.82
5.6.90.0430.06322.64
5.6.80.0330.06022.14
5.6.70.0430.05722.25
5.6.60.0300.06722.14
5.6.50.0500.05322.23
5.6.40.0470.05022.23
5.6.30.0230.06022.17
5.6.20.0500.04322.13
5.6.10.0470.05022.05
5.6.00.0370.05722.13
5.5.360.0530.08322.21
5.5.350.0470.06322.09
5.5.340.0370.05722.67
5.5.330.0470.07022.57
5.5.320.0370.06722.52
5.5.310.0270.06322.62
5.5.300.0330.06022.47
5.5.290.0430.08722.38
5.5.280.0270.05322.53
5.5.270.0500.05322.66
5.5.260.0300.07022.65
5.5.250.0570.05022.32
5.5.240.0270.06721.75
5.5.230.0400.05721.84
5.5.220.0430.05321.86
5.5.210.0370.05721.91
5.5.200.0330.06721.95
5.5.190.0400.05021.89
5.5.180.0330.05721.85
5.5.160.0330.06321.85
5.5.150.0370.06021.79
5.5.140.0370.05721.95
5.5.130.0400.06321.77
5.5.120.0530.05721.99
5.5.110.0400.05021.90
5.5.100.0500.04321.91
5.5.90.0430.06021.80
5.5.80.0430.05321.90
5.5.70.0330.06321.90
5.5.60.0400.05321.67
5.5.50.0400.05021.90
5.5.40.0370.05321.73
5.5.30.0330.05321.71
5.5.20.0300.05721.82
5.5.10.0370.05321.85
5.5.00.0300.07021.84

preferences:
77.14 ms | 400 KiB | 5 Q