3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source = '&#x21;'; $source = preg_replace_callback( '/&#x([a-f0-9]+);/mi', function ($m) { return chr(hexdec($m[1])); }, // Now a Closure $source ); var_dump($source);

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)
8.3.110.0040.00420.94
8.3.100.0040.00424.06
8.3.90.0070.00326.77
8.3.80.0030.00619.36
8.3.70.0150.00016.60
8.3.60.0070.01416.88
8.3.50.0130.00617.64
8.3.40.0120.00319.02
8.3.30.0070.01018.92
8.3.20.0040.01120.21
8.3.10.0130.00721.73
8.3.00.0060.00317.72
8.2.230.0030.00622.58
8.2.220.0060.00337.54
8.2.210.0090.00926.77
8.2.200.0080.00318.88
8.2.190.0200.00316.63
8.2.180.0090.00618.41
8.2.170.0080.00818.98
8.2.160.0090.00622.96
8.2.150.0070.00025.66
8.2.140.0110.00424.66
8.2.130.0040.00421.30
8.2.120.0070.01126.35
8.2.110.0100.00021.07
8.2.100.0040.00818.16
8.2.90.0080.00018.16
8.2.80.0000.00820.39
8.2.70.0030.00517.75
8.2.60.0040.00418.05
8.2.50.0070.00017.98
8.2.40.0060.00320.13
8.2.30.0050.00218.16
8.2.20.0080.00018.09
8.2.10.0040.00418.21
8.2.00.0050.00218.09
8.1.290.0060.00330.84
8.1.280.0070.01325.92
8.1.270.0080.00023.98
8.1.260.0040.00426.35
8.1.250.0090.00628.09
8.1.240.0090.00022.14
8.1.230.0090.00322.69
8.1.220.0030.00617.77
8.1.210.0000.00818.85
8.1.200.0000.01017.47
8.1.190.0050.00317.47
8.1.180.0000.00818.10
8.1.170.0030.00617.62
8.1.160.0040.00418.88
8.1.150.0040.00418.79
8.1.140.0070.00019.61
8.1.130.0040.00417.62
8.1.120.0070.00017.52
8.1.110.0070.00017.63
8.1.100.0050.00317.52
8.1.90.0070.00017.52
8.1.80.0040.00417.61
8.1.70.0000.00717.62
8.1.60.0040.00417.67
8.1.50.0000.00917.58
8.1.40.0080.00017.61
8.1.30.0050.00317.82
8.1.20.0050.00317.85
8.1.10.0040.00417.54
8.1.00.0040.00417.58
8.0.300.0050.00320.14
8.0.290.0050.00316.63
8.0.280.0030.00518.37
8.0.270.0080.00017.20
8.0.260.0030.00316.86
8.0.250.0030.00516.98
8.0.240.0040.00416.95
8.0.230.0070.00017.07
8.0.220.0030.00316.95
8.0.210.0030.00316.99
8.0.200.0030.00317.09
8.0.190.0060.00317.09
8.0.180.0080.00317.05
8.0.170.0030.00417.05
8.0.160.0030.00517.02
8.0.150.0050.00316.98
8.0.140.0070.00016.99
8.0.130.0030.00313.55
8.0.120.0020.00516.89
8.0.110.0050.00217.11
8.0.100.0070.00017.10
8.0.90.0000.00717.16
8.0.80.0140.00317.00
8.0.70.0070.00017.02
8.0.60.0080.00017.05
8.0.50.0070.00016.84
8.0.30.0110.00717.18
8.0.20.0080.01417.36
8.0.10.0090.01417.17
8.0.00.0130.00717.02
7.4.330.0050.00015.55
7.4.320.0060.00016.79
7.4.300.0000.00616.81
7.4.290.0040.00416.73
7.4.280.0030.00316.71
7.4.270.0000.00716.65
7.4.260.0000.00513.49
7.4.250.0070.00016.66
7.4.240.0000.00716.86
7.4.230.0000.00716.70
7.4.220.0060.01216.63
7.4.210.0090.00616.78
7.4.200.0040.00416.70
7.4.160.0090.00916.75
7.4.150.0110.00916.97
7.4.140.0120.01017.37
7.4.130.0080.01316.67
7.4.120.0120.00816.70
7.4.110.0130.00716.65
7.4.100.0090.01016.70
7.4.90.0110.01116.54
7.4.80.0100.01216.92
7.4.70.0110.00916.59
7.4.60.0110.01116.67
7.4.50.0110.01016.54
7.4.40.0090.01116.57
7.4.30.0120.00916.62
7.4.20.0100.01016.56
7.4.10.0100.01116.61
7.4.00.0100.01016.46
7.3.330.0040.00313.43
7.3.320.0030.00313.38
7.3.310.0030.00316.48
7.3.300.0030.00316.33
7.3.290.0080.00816.41
7.3.280.0070.00916.36
7.3.270.0090.01116.79
7.3.260.0080.00916.50
7.3.250.0080.01116.54
7.3.240.0080.01116.48
7.3.230.0110.00916.52
7.3.220.0090.01016.45
7.3.210.0110.00916.45
7.3.200.0120.00916.56
7.3.190.0090.01116.45
7.3.180.0100.00816.56
7.3.170.0110.00916.45
7.3.160.0080.01116.51
7.3.150.0120.00916.56
7.3.140.0130.00716.48
7.3.130.0120.00716.43
7.3.120.0100.01116.49
7.3.110.0100.00816.06
7.3.100.0120.00816.09
7.3.90.0100.00816.06
7.3.80.0090.01016.01
7.3.70.0110.01015.97
7.3.60.0110.00915.96
7.3.50.0100.01016.02
7.3.40.0110.00916.04
7.3.30.0080.01116.05
7.3.20.0120.00716.03
7.3.10.0140.00916.02
7.3.00.0180.00916.03
7.2.340.0200.00816.65
7.2.330.0170.01016.66
7.2.320.0150.01016.66
7.2.310.0160.00916.68
7.2.300.0130.01116.66
7.2.290.0140.01116.64
7.2.280.0150.01116.64
7.2.270.0170.00816.69
7.2.260.0160.00916.67
7.2.250.0150.01016.62
7.2.240.0140.00916.20
7.2.230.0110.01016.22
7.2.220.0130.00916.25
7.2.210.0140.00716.23
7.2.200.0150.00916.27
7.2.190.0140.01116.19
7.2.180.0150.00916.19
7.2.170.0130.01016.20
7.2.160.0130.01016.17
7.2.150.0170.01116.30
7.2.140.0140.00916.29
7.2.130.0180.01316.29
7.2.120.0140.01416.33
7.2.110.0140.00916.30
7.2.100.0170.00916.28
7.2.90.0190.01016.13
7.2.80.0170.01016.19
7.2.70.0320.00816.17
7.2.60.0230.01216.23
7.2.50.0210.00916.20
7.2.40.0270.00916.16
7.2.30.0270.01116.21
7.2.20.0360.00616.17
7.2.10.0360.01016.17
7.2.00.0300.00916.16
7.1.330.0190.01115.25
7.1.320.0210.00715.29
7.1.310.0200.01215.23
7.1.300.0220.01115.25
7.1.290.0200.00815.26
7.1.280.0190.01015.19
7.1.270.0210.01015.25
7.1.260.0210.01015.19
7.1.250.0200.01015.23
7.1.240.0190.01015.23
7.1.230.0240.00915.20
7.1.220.0210.00915.17
7.1.210.0250.01115.07
7.1.200.0360.00915.22
7.1.190.0280.01015.08
7.1.180.0360.00915.10
7.1.170.0260.01015.06
7.1.160.0370.00615.08
7.1.150.0380.01115.06
7.1.140.0320.00915.13
7.1.130.0370.00815.04
7.1.120.0310.01015.13
7.1.110.0290.00715.13
7.1.100.0330.00915.18
7.1.90.0400.00915.28
7.1.80.0330.00815.26
7.1.70.0300.01015.40
7.1.60.0290.00818.18
7.1.50.0280.01118.18
7.1.40.0250.01018.01
7.1.30.0310.00918.03
7.1.20.0280.01018.02
7.1.10.0240.00915.27
7.1.00.0240.00815.35
7.0.330.0210.01014.82
7.0.320.0210.00714.90
7.0.310.0230.00914.76
7.0.300.0300.00914.77
7.0.290.0430.01114.74
7.0.280.0290.00814.75
7.0.270.0400.00714.87
7.0.260.0290.00814.76
7.0.250.0270.00814.75
7.0.240.0330.01114.89
7.0.230.0320.00815.00
7.0.220.0310.00914.91
7.0.210.0290.00814.96
7.0.200.0340.00815.06
7.0.190.0330.00915.10
7.0.180.0240.00814.89
7.0.170.0240.01014.90
7.0.160.0200.01014.85
7.0.150.0260.00814.94
7.0.140.0260.00915.05
7.0.130.0250.00815.14
7.0.120.0230.01015.09
7.0.110.0260.00815.11
7.0.100.0240.01114.98
7.0.90.0230.00814.92
7.0.80.0260.00814.86
7.0.70.0220.00814.91
7.0.60.0230.01014.90
7.0.50.0360.01114.91
7.0.40.0270.00914.92
7.0.30.0210.00914.93
7.0.20.0220.00914.93
7.0.10.0200.01014.96
7.0.00.0190.01014.88
5.6.400.0210.01015.49
5.6.390.0180.01515.49
5.6.380.0190.01015.56
5.6.370.0190.01215.48
5.6.360.0170.01315.49
5.6.350.0180.01015.44
5.6.340.0190.01215.45
5.6.330.0170.01215.45
5.6.320.0210.00915.49
5.6.310.0190.01015.44
5.6.300.0200.01115.81
5.6.290.0190.01315.86
5.6.280.0160.01515.75
5.6.270.0190.01515.79
5.6.260.0170.01515.86
5.6.250.0170.01315.84
5.6.240.0180.01415.85
5.6.230.0190.01315.78
5.6.220.0170.01515.80
5.6.210.0160.01615.79
5.6.200.0170.01515.83
5.6.190.0160.01615.82
5.6.180.0190.01315.87
5.6.170.0180.01515.84
5.6.160.0180.01315.88
5.6.150.0180.01415.84
5.6.140.0200.01315.77
5.6.130.0160.01515.88
5.6.120.0170.01415.83
5.6.110.0200.01215.77
5.6.100.0190.01315.83
5.6.90.0180.01315.82
5.6.80.0170.01415.71
5.6.70.0170.01415.70
5.6.60.0170.01215.70
5.6.50.0180.01415.68
5.6.40.0160.01715.69
5.6.30.0180.01315.77
5.6.20.0160.01515.64
5.6.10.0180.01515.69
5.6.00.0190.01115.67
5.5.380.0180.01815.83
5.5.370.0210.01115.88
5.5.360.0200.01315.94
5.5.350.0190.01415.83
5.5.340.0180.01315.73
5.5.330.0220.01215.88
5.5.320.0200.01115.85
5.5.310.0170.01615.80
5.5.300.0220.01015.85
5.5.290.0240.00815.88
5.5.280.0220.00915.80
5.5.270.0200.01015.77
5.5.260.0230.00915.74
5.5.250.0170.01315.87
5.5.240.0210.01115.87
5.5.230.0190.01215.85
5.5.220.0200.01015.84
5.5.210.0220.00915.80
5.5.200.0220.01115.75
5.5.190.0200.01115.78
5.5.180.0220.01115.81
5.5.170.0230.00715.84
5.5.160.0200.01015.76
5.5.150.0230.01015.68
5.5.140.0210.00915.62
5.5.130.0160.01615.79
5.5.120.0210.01015.79
5.5.110.0210.01215.82
5.5.100.0160.01515.81
5.5.90.0160.01415.79
5.5.80.0170.01415.80
5.5.70.0170.01315.78
5.5.60.0130.01615.78
5.5.50.0190.01415.75
5.5.40.0180.01215.75
5.5.30.0250.01015.74
5.5.20.0180.01215.84
5.5.10.0240.00815.75
5.5.00.0200.01215.70
5.4.450.0180.00712.72
5.4.440.0160.00812.80
5.4.430.0140.00812.77
5.4.420.0160.00712.71
5.4.410.0160.00812.80
5.4.400.0120.01112.63
5.4.390.0150.00812.78
5.4.380.0180.00812.83
5.4.370.0130.01012.73
5.4.360.0160.01012.69
5.4.350.0190.00812.71
5.4.340.0150.00812.71
5.4.330.0180.00712.70
5.4.320.0200.00612.72
5.4.310.0170.01012.69
5.4.300.0180.00712.75
5.4.290.0190.00512.69
5.4.280.0160.00912.67
5.4.270.0160.00912.75
5.4.260.0140.01012.66
5.4.250.0170.00812.65
5.4.240.0170.00812.71
5.4.230.0140.01112.61
5.4.220.0180.00612.58
5.4.210.0190.00612.58
5.4.200.0160.00812.62
5.4.190.0130.01312.70
5.4.180.0160.01012.54
5.4.170.0170.01112.72
5.4.160.0180.00912.63
5.4.150.0180.00612.63
5.4.140.0160.00712.72
5.4.130.0170.00712.66
5.4.120.0150.00912.72
5.4.110.0160.00812.63
5.4.100.0160.00912.68
5.4.90.0180.00712.75
5.4.80.0200.00712.74
5.4.70.0170.00812.68
5.4.60.0170.00712.72
5.4.50.0160.00712.68
5.4.40.0160.00712.73
5.4.30.0140.00912.75
5.4.20.0170.00812.70
5.4.10.0180.00612.77
5.4.00.0150.00812.63
5.3.290.0170.00913.21
5.3.280.0160.00813.00
5.3.270.0190.00613.19
5.3.260.0190.00613.04
5.3.250.0160.00713.14
5.3.240.0180.00712.97
5.3.230.0160.00913.04
5.3.220.0130.01213.02
5.3.210.0150.01113.05
5.3.200.0180.00813.06
5.3.190.0150.01113.10
5.3.180.0210.00613.17
5.3.170.0170.00913.16
5.3.160.0160.01113.16
5.3.150.0150.00813.16
5.3.140.0150.01013.22
5.3.130.0170.00713.11
5.3.120.0150.01012.96
5.3.110.0180.00913.07
5.3.100.0150.00813.07
5.3.90.0140.01113.15
5.3.80.0160.00712.95
5.3.70.0150.00913.02
5.3.60.0170.00913.15
5.3.50.0170.00812.98
5.3.40.0160.01012.99
5.3.30.0150.00813.10
5.3.20.0180.00713.18
5.3.10.0110.01212.78
5.3.00.0130.01012.88
5.2.170.0130.00711.81
5.2.160.0160.00311.79
5.2.150.0140.00711.86
5.2.140.0150.00711.71
5.2.130.0120.00911.78
5.2.120.0130.00611.79
5.2.110.0120.00711.79
5.2.100.0100.00911.73
5.2.90.0100.01111.77
5.2.80.0100.01011.68
5.2.70.0100.01011.71
5.2.60.0100.00811.61
5.2.50.0100.00911.77
5.2.40.0130.00811.75
5.2.30.0170.00611.77
5.2.20.0140.00611.55
5.2.10.0100.01211.49
5.2.00.0150.00611.44
5.1.60.0120.00510.81
5.1.50.0100.00810.93
5.1.40.0140.00610.95
5.1.30.0110.00811.05
5.1.20.0150.00510.88
5.1.10.0110.00910.90
5.1.00.0130.00410.90
5.0.50.0100.00510.60
5.0.40.0070.01010.60
5.0.30.0110.00610.60
5.0.20.0070.00910.60
5.0.10.0080.00710.60
5.0.00.0100.00510.60
4.4.90.0040.00610.60
4.4.80.0080.00210.60
4.4.70.0070.00310.60
4.4.60.0060.00410.60
4.4.50.0080.00310.60
4.4.40.0080.00210.60
4.4.30.0070.00310.60
4.4.20.0130.00110.60
4.4.10.0090.00210.60
4.4.00.0070.00310.60
4.3.110.0080.00210.60
4.3.100.0070.00310.60
4.3.90.0060.00510.60
4.3.80.0050.00410.60
4.3.70.0070.00210.60
4.3.60.0060.00410.60
4.3.50.0070.00210.60
4.3.40.0070.00310.60
4.3.30.0050.00310.60
4.3.20.0050.00410.60
4.3.10.0080.00110.60
4.3.00.0060.00210.60

preferences:
36.28 ms | 403 KiB | 5 Q