3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = array(); $value = '#12 3ff;'; $value = preg_replace('/&#(\d+);?/me', "chr('\\1')", $value); $value2 = preg_replace_callback('/&#(\d+);?/m', function($matches) {return chr($matches[1]);}, $value); echo $value; var_dump($value2);

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)
8.3.40.0070.00718.92
8.3.30.0140.00718.87
8.3.20.0080.00018.88
8.3.10.0030.00520.95
8.3.00.0050.00323.65
8.2.170.0130.00922.96
8.2.160.0070.00720.29
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0040.00421.16
8.2.110.0030.00620.52
8.2.100.0070.00418.03
8.2.90.0000.00719.28
8.2.80.0090.00018.00
8.2.70.0080.00017.75
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0090.00018.16
8.2.30.0020.00721.22
8.2.20.0000.00817.79
8.2.10.0060.00317.89
8.2.00.0000.00817.96
8.1.270.0040.00423.99
8.1.260.0000.01026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.46
8.1.230.0110.00021.04
8.1.220.0030.00618.77
8.1.210.0050.00318.85
8.1.200.0070.00317.35
8.1.190.0060.00317.51
8.1.180.0000.00818.10
8.1.170.0030.00518.70
8.1.160.0050.00318.98
8.1.150.0080.00018.71
8.1.140.0040.00417.60
8.1.130.0040.00417.82
8.1.120.0070.00017.59
8.1.110.0060.00317.64
8.1.100.0040.00417.61
8.1.90.0040.00417.52
8.1.80.0040.00417.61
8.1.70.0030.00317.48
8.1.60.0000.00917.76
8.1.50.0000.00717.66
8.1.40.0040.00417.71
8.1.30.0050.00217.81
8.1.20.0040.00417.71
8.1.10.0040.00417.71
8.1.00.0000.00817.65
8.0.300.0070.00019.79
8.0.290.0040.00417.16
8.0.280.0000.00718.34
8.0.270.0100.00017.18
8.0.260.0030.00317.02
8.0.250.0050.00317.05
8.0.240.0040.00417.18
8.0.230.0000.00717.00
8.0.220.0070.00016.98
8.0.210.0070.00017.00
8.0.200.0000.00717.18
8.0.190.0000.00717.16
8.0.180.0040.00417.16
8.0.170.0040.00417.15
8.0.160.0030.00317.11
8.0.150.0070.00016.90
8.0.140.0030.00416.94
8.0.130.0030.00313.48
8.0.120.0040.00417.07
8.0.110.0040.00417.06
8.0.100.0000.00717.08
8.0.90.0040.00417.12
8.0.80.0090.00617.09
8.0.70.0000.00817.07
8.0.60.0040.00416.93
8.0.50.0040.00416.96
8.0.30.0090.01017.35
8.0.20.0050.01417.40
8.0.10.0050.00217.11
8.0.00.0050.01317.02
7.4.330.0000.00514.97
7.4.320.0030.00316.82
7.4.300.0030.00316.64
7.4.290.0040.00416.85
7.4.280.0030.00316.70
7.4.270.0040.00416.72
7.4.260.0000.00513.48
7.4.250.0050.00316.70
7.4.240.0030.00316.75
7.4.230.0000.00816.69
7.4.220.0080.00816.77
7.4.210.0080.00916.85
7.4.200.0040.00416.65
7.4.190.0040.00416.88
7.4.160.0090.00916.64
7.4.150.0070.01017.40
7.4.140.0080.01217.86
7.4.130.0060.01316.78
7.4.120.0080.01016.67
7.4.110.0100.00716.63
7.4.100.0120.00616.96
7.4.90.0070.01516.73
7.4.80.0030.01319.39
7.4.70.0100.00716.66
7.4.60.0140.00616.86
7.4.50.0030.00616.48
7.4.40.0040.01122.77
7.4.30.0120.00616.63
7.4.00.0040.01415.11
7.3.330.0020.00213.52
7.3.320.0000.00513.50
7.3.310.0000.00716.39
7.3.300.0030.00316.47
7.3.290.0030.01616.47
7.3.280.0090.00516.50
7.3.270.0090.00917.40
7.3.260.0100.00818.24
7.3.250.0080.01016.65
7.3.240.0060.01016.63
7.3.230.0080.00916.50
7.3.210.0120.00916.70
7.3.200.0070.01519.39
7.3.190.0030.01516.70
7.3.180.0110.00616.75
7.3.170.0120.00616.54
7.3.160.0090.00616.85
7.3.120.0120.00014.93
7.3.10.0030.01316.90
7.3.00.0110.00716.91
7.2.330.0060.01316.88
7.2.320.0110.01016.96
7.2.310.0130.01016.94
7.2.300.0090.00916.73
7.2.290.0070.01016.90
7.2.130.0120.00317.09
7.2.120.0070.00716.84
7.2.110.0030.01416.86
7.2.100.0030.01017.24
7.2.90.0120.00017.13
7.2.80.0040.01217.08
7.2.70.0000.01817.00
7.2.60.0080.00817.15
7.2.50.0070.00717.16
7.2.40.0110.00417.06
7.2.30.0040.01316.91
7.2.20.0100.00017.00
7.2.10.0060.01216.86
7.2.00.0020.01218.39
7.1.250.0080.00815.85
7.1.200.0030.00315.97
7.1.100.0000.01417.84
7.1.70.0000.00817.39
7.1.60.0040.01519.40
7.1.50.0140.01016.82
7.1.00.0030.03322.38
7.0.200.0000.00716.60
7.0.140.0030.06721.97
7.0.70.0030.04021.80
7.0.60.0030.04021.74
7.0.50.0030.08022.08
7.0.40.0100.06720.05
7.0.30.0030.06020.07
7.0.20.0070.08720.19
7.0.10.0070.08320.07
7.0.00.0030.08720.10
5.6.280.0100.06721.11
5.6.220.0030.08320.59
5.6.210.0030.04020.50
5.6.200.0070.08020.96
5.6.190.0070.08321.05
5.6.180.0130.07321.01
5.6.170.0000.09021.02
5.6.160.0130.07721.05
5.6.150.0030.09021.10
5.6.140.0070.08321.06
5.6.130.0070.08720.96
5.6.120.0030.08321.03
5.6.110.0000.09021.10
5.6.100.0100.07321.06
5.6.90.0030.08320.98
5.6.80.0030.07320.32
5.6.70.0030.06320.38
5.6.60.0000.04320.37
5.6.50.0030.06020.40
5.6.40.0070.03320.36
5.6.30.0070.08020.44
5.6.20.0030.07720.38
5.6.10.0130.03320.46
5.6.00.0000.04320.37
5.5.360.0070.04020.56
5.5.350.0000.09020.45
5.5.340.0130.05720.90
5.5.330.0070.08720.80
5.5.320.0070.04720.93
5.5.310.0070.07720.83
5.5.300.0070.08020.64
5.5.290.0030.09020.90
5.5.280.0070.08020.89
5.5.270.0070.08320.79
5.5.260.0000.08320.89
5.5.250.0130.07020.55
5.5.240.0000.07020.28
5.5.230.0070.08020.23
5.5.220.0000.07020.16
5.5.210.0000.04020.14
5.5.200.0030.07320.24
5.5.190.0130.06320.21
5.5.180.0100.06720.27
5.5.160.0030.07320.21
5.5.150.0070.06320.21
5.5.140.0100.05020.23
5.5.130.0030.08320.20
5.5.120.0100.07020.18
5.5.110.0030.09720.15
5.5.100.0030.05720.17
5.5.90.0030.08020.16
5.5.80.0030.08019.98
5.5.70.0030.08020.09
5.5.60.0000.06720.15
5.5.50.0070.07720.13
5.5.40.0070.07320.00
5.5.30.0000.08320.00
5.5.20.0070.07720.07
5.5.10.0100.07319.97
5.5.00.0030.08019.97
5.4.450.0030.07319.45
5.4.440.0100.07319.45
5.4.430.0030.04019.36
5.4.420.0070.03719.17
5.4.410.0030.08319.10
5.4.400.0000.08319.23
5.4.390.0100.07319.23
5.4.380.0030.07319.23
5.4.370.0000.04718.85
5.4.360.0000.04018.85
5.4.350.0100.05719.05
5.4.340.0000.07318.88
5.4.320.0030.06719.21
5.4.310.0000.07719.04
5.4.300.0100.07019.11
5.4.290.0030.06719.02
5.4.280.0030.08719.02
5.4.270.0070.06719.02
5.4.260.0030.07719.02
5.4.250.0000.07319.03
5.4.240.0170.06719.02
5.4.230.0000.07319.02
5.4.220.0030.07718.94
5.4.210.0000.07318.92
5.4.200.0070.07718.89
5.4.190.0030.07319.17
5.4.180.0100.07719.15
5.4.170.0030.06719.20
5.4.160.0030.08319.13
5.4.150.0100.06319.07
5.4.140.0030.07016.20
5.4.130.0000.07716.45
5.4.120.0070.07316.18
5.4.110.0070.07016.43
5.4.100.0130.03716.54
5.4.90.0070.07016.51
5.4.80.0070.07016.47
5.4.70.0070.07016.37
5.4.60.0070.06716.26
5.4.50.0030.07016.42
5.4.40.0000.07316.32
5.4.30.0070.07316.24
5.4.20.0100.06716.36
5.4.10.0000.07716.25
5.4.00.0030.07315.90
5.3.290.0000.08314.73
5.3.280.0100.06714.64
5.3.270.0030.06314.75
5.3.260.0100.06714.57
5.3.250.0070.07314.71
5.3.240.0000.07014.62
5.3.230.0030.07314.70
5.3.220.0030.07714.55
5.3.210.0030.07714.45
5.3.200.0030.05714.51
5.3.190.0030.07014.61
5.3.180.0030.07314.57
5.3.170.0030.06014.48
5.3.160.0000.06014.66
5.3.150.0070.05714.63
5.3.140.0070.06314.54
5.3.130.0000.06714.57
5.3.120.0030.07714.52
5.3.110.0000.07714.64
5.3.100.0030.06714.09
5.3.90.0100.06714.00
5.3.80.0030.07014.04
5.3.70.0030.06014.00
5.3.60.0000.07314.00
5.3.50.0000.08013.94
5.3.40.0030.03713.88
5.3.30.0030.04013.93
5.3.20.0030.03713.61
5.3.10.0000.04313.72
5.3.00.0000.03713.72
5.2.170.0030.06012.27
5.2.160.0070.06012.27
5.2.150.0070.04312.27
5.2.140.0030.06312.27
5.2.130.0030.05712.27
5.2.120.0070.03712.27
5.2.110.0000.03312.27
5.2.100.0030.02712.27
5.2.90.0000.03012.27
5.2.80.0000.03012.27
5.2.70.0030.02712.27
5.2.60.0030.02712.27
5.2.50.0070.03012.27
5.2.40.0030.02712.27
5.2.30.0000.03012.27
5.2.20.0100.05012.27
5.2.10.0000.03012.27
5.2.00.0000.03012.27
5.1.60.0030.03012.27
5.1.50.0000.02312.27
5.1.40.0000.03312.27
5.1.30.0030.03312.27
5.1.20.0070.02312.27
5.1.10.0030.02312.27
5.1.00.0030.02712.27
5.0.50.0000.02012.27
5.0.40.0070.02312.27
5.0.30.0030.03012.27
5.0.20.0030.04012.27
5.0.10.0030.01712.27
5.0.00.0000.05312.27
4.4.90.0000.01712.27
4.4.80.0000.01312.27
4.4.70.0000.02012.27
4.4.60.0000.01712.27
4.4.50.0000.01712.27
4.4.40.0030.02312.27
4.4.30.0030.01312.27
4.4.20.0000.02312.27
4.4.10.0000.01712.27
4.4.00.0030.04312.27
4.3.110.0000.02012.27
4.3.100.0030.01012.27
4.3.90.0030.02712.27
4.3.80.0000.02312.27
4.3.70.0030.01312.27
4.3.60.0030.01312.27
4.3.50.0000.01712.27
4.3.40.0000.02312.27
4.3.30.0030.01312.27
4.3.20.0030.02012.27
4.3.10.0000.02012.27
4.3.00.0070.01012.27

preferences:
46.95 ms | 400 KiB | 5 Q