3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ' <foo>ciao</foo> <i>ex</i> <asd>boh</asd> <i>ex </i> <i> testo con spazi </i> <i>boh</i> <asd>boh</asd> '; $string = preg_replace('#<i>(.+)([\s]+)</i>#', '<i>\1&#xA0;</i>', $string); echo $string;

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)
8.3.40.0060.00919.11
8.3.30.0070.00720.16
8.3.20.0040.00420.24
8.3.10.0050.00322.09
8.3.00.0040.00422.27
8.2.170.0140.00722.96
8.2.160.0000.01422.06
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00319.48
8.2.110.0060.00921.30
8.2.100.0040.00817.91
8.2.90.0030.00619.05
8.2.80.0000.00817.97
8.2.70.0000.00817.88
8.2.60.0030.00518.05
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0090.00018.01
8.2.20.0040.00417.68
8.2.10.0030.00617.77
8.2.00.0040.00417.76
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00422.18
8.1.230.0030.00720.79
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0030.00617.11
8.1.190.0040.00417.40
8.1.180.0040.00418.10
8.1.170.0030.00518.66
8.1.160.0000.00720.95
8.1.150.0040.00418.83
8.1.140.0000.00817.54
8.1.130.0050.00317.73
8.1.120.0000.00717.53
8.1.110.0040.00417.50
8.1.100.0000.00717.58
8.1.90.0000.00717.44
8.1.80.0070.00017.53
8.1.70.0080.00017.50
8.1.60.0040.00417.57
8.1.50.0040.00417.51
8.1.40.0040.00417.50
8.1.30.0030.00517.61
8.1.20.0080.00017.64
8.1.10.0000.00817.66
8.1.00.0080.00017.61
8.0.300.0070.00018.77
8.0.290.0030.00616.75
8.0.280.0000.00718.48
8.0.270.0080.00017.17
8.0.260.0030.00516.97
8.0.250.0030.00317.15
8.0.240.0040.00417.09
8.0.230.0040.00416.93
8.0.220.0000.00716.87
8.0.210.0000.00717.00
8.0.200.0030.00316.93
8.0.190.0000.00816.97
8.0.180.0040.00417.02
8.0.170.0030.00517.02
8.0.160.0070.00016.85
8.0.150.0000.00816.89
8.0.140.0050.00516.89
8.0.130.0000.00513.34
8.0.120.0030.00716.86
8.0.110.0040.00416.89
8.0.100.0040.00417.02
8.0.90.0000.00716.92
8.0.80.0000.01416.90
8.0.70.0040.00416.86
8.0.60.0080.00016.96
8.0.50.0040.00416.95
8.0.30.0130.01017.37
8.0.20.0140.00617.40
8.0.10.0050.00217.13
8.0.00.0120.00616.90
7.4.330.0030.00315.00
7.4.320.0060.00016.63
7.4.300.0040.00416.75
7.4.290.0070.00016.75
7.4.280.0070.00016.75
7.4.270.0030.00516.61
7.4.260.0000.00713.52
7.4.250.0040.00416.52
7.4.240.0040.00416.73
7.4.230.0000.00616.51
7.4.220.0110.00716.64
7.4.210.0100.00916.72
7.4.200.0000.00716.56
7.4.190.0040.00416.89
7.4.160.0120.01216.62
7.4.150.0100.01417.40
7.4.140.0120.00617.86
7.4.130.0090.01116.54
7.4.120.0070.01016.62
7.4.110.0150.00916.41
7.4.100.0090.00916.63
7.4.90.0150.00316.63
7.4.80.0090.01119.39
7.4.70.0110.00516.57
7.4.60.0030.01316.59
7.4.50.0000.00816.60
7.4.40.0080.00822.77
7.4.30.0120.00816.55
7.4.00.0090.00715.08
7.3.330.0050.00013.33
7.3.320.0030.00313.20
7.3.310.0080.00016.29
7.3.300.0030.00316.31
7.3.290.0030.01016.46
7.3.280.0090.01016.37
7.3.270.0130.00617.40
7.3.260.0080.00816.38
7.3.250.0110.01116.47
7.3.240.0110.01116.78
7.3.230.0130.00316.39
7.3.210.0090.00816.65
7.3.200.0140.00719.39
7.3.190.0100.01316.57
7.3.180.0100.01016.40
7.3.170.0070.01016.62
7.3.160.0030.01416.30
7.3.120.0100.00614.74
7.3.110.0080.00314.96
7.3.100.0070.01114.82
7.3.90.0150.00415.07
7.3.80.0070.00714.78
7.3.70.0070.00315.05
7.3.60.0060.00315.06
7.3.50.0040.00414.93
7.3.40.0030.01214.66
7.3.30.0110.00714.91
7.3.20.0040.01516.71
7.3.10.0000.01616.71
7.3.00.0040.00716.61
7.2.330.0000.01716.68
7.2.320.0090.00916.88
7.2.310.0170.00016.84
7.2.300.0110.00516.74
7.2.290.0140.00416.68
7.2.250.0030.01515.25
7.2.240.0060.01215.34
7.2.230.0160.00015.02
7.2.220.0030.00915.19
7.2.210.0040.00715.19
7.2.200.0070.00715.18
7.2.190.0030.00915.31
7.2.180.0030.01214.99
7.2.170.0030.00915.05
7.1.330.0120.00316.02
7.1.320.0070.00716.19
7.1.310.0040.01116.11
7.1.300.0030.00915.93
7.1.290.0030.00916.20
7.1.280.0030.00615.74
7.1.270.0030.00916.11
7.1.260.0100.00315.65
7.1.100.0030.00718.27
7.1.70.0070.00017.40
7.1.60.0040.02119.32
7.1.50.0040.01917.14
7.1.00.0030.06022.47
7.0.200.0110.00614.77
7.0.140.0030.07022.10
7.0.70.0130.03319.97
7.0.60.0070.04019.96
7.0.50.0070.04020.28
7.0.40.0130.08319.95
7.0.30.0200.07020.15
7.0.20.0070.08720.03
7.0.10.0130.06720.09
7.0.00.0130.04320.02
5.6.280.0070.07021.14
5.6.220.0000.04320.61
5.6.210.0000.04720.64
5.6.200.0030.04321.05
5.6.190.0070.05021.07
5.6.180.0170.07021.07
5.6.170.0070.06321.13
5.6.160.0270.06321.04
5.6.150.0100.08320.99
5.6.140.0070.08721.10
5.6.130.0100.08321.16
5.6.120.0100.07021.05
5.6.110.0000.06320.91
5.6.100.0100.08321.05
5.6.90.0070.05021.10
5.6.80.0070.07320.31
5.6.70.0200.07320.43
5.6.60.0070.07020.37
5.6.50.0130.07720.38
5.6.40.0100.03720.42
5.6.30.0070.07320.46
5.6.20.0130.07320.30
5.6.10.0170.07320.28
5.6.00.0030.05320.32
5.5.360.0070.04020.40
5.5.350.0000.04720.43
5.5.340.0030.04720.91
5.5.330.0200.05720.83
5.5.320.0100.07720.75
5.5.310.0200.05720.90
5.5.300.0070.09020.88
5.5.290.0130.08720.74
5.5.280.0100.04020.88
5.5.270.0100.07320.87
5.5.260.0130.08320.79
5.5.250.0070.08720.68
5.5.240.0200.07320.26
5.5.230.0030.07020.20
5.5.220.0030.09020.10
5.5.210.0030.08020.20
5.5.200.0070.04320.12
5.5.190.0070.05720.22
5.5.180.0130.07719.98
5.5.160.0030.07020.23
5.5.150.0030.06320.10
5.5.140.0030.06019.98
5.5.130.0100.03720.14
5.5.120.0000.08720.09
5.5.110.0070.06320.11
5.5.100.0070.07720.07
5.5.90.0070.07319.90
5.5.80.0100.07720.10
5.5.70.0170.04320.06
5.5.60.0130.05320.16
5.5.50.0100.07320.09
5.5.40.0130.07020.08
5.5.30.0030.07020.07
5.5.20.0070.08320.04
5.5.10.0070.05719.95
5.5.00.0130.04320.02
5.4.450.0130.05019.29
5.4.440.0000.04319.40
5.4.430.0070.08719.13
5.4.420.0070.06019.52
5.4.410.0070.06719.29
5.4.400.0130.07719.05
5.4.390.0100.07018.80
5.4.380.0200.06719.07
5.4.370.0030.06318.81
5.4.360.0100.07719.09
5.4.350.0100.05719.05
5.4.340.0000.09019.12
5.4.320.0200.07319.07
5.4.310.0070.07718.81
5.4.300.0030.04318.96
5.4.290.0030.08318.78
5.4.280.0070.06019.02
5.4.270.0130.07318.94
5.4.260.0070.04719.14
5.4.250.0070.07719.11
5.4.240.0130.07018.89
5.4.230.0030.05318.75
5.4.220.0330.06319.05
5.4.210.0030.07319.09
5.4.200.0000.08318.97
5.4.190.0070.05019.05
5.4.180.0100.07319.11
5.4.170.0100.05019.01
5.4.160.0100.08018.79
5.4.150.0130.06019.10
5.4.140.0100.07016.39
5.4.130.0030.08016.29
5.4.120.0130.06716.28
5.4.110.0100.07016.41
5.4.100.0000.04716.32
5.4.90.0070.07316.31
5.4.80.0070.07316.25
5.4.70.0000.06016.34
5.4.60.0100.07016.40
5.4.50.0070.07716.21
5.4.40.0100.07316.46
5.4.30.0100.07716.17
5.4.20.0070.07316.30
5.4.10.0100.04316.18
5.4.00.0070.05015.77
5.3.290.0100.05014.67
5.3.280.0130.06314.57
5.3.270.0130.06314.43
5.3.260.0070.08314.58
5.3.250.0130.06714.43
5.3.240.0130.07714.59
5.3.230.0030.08714.44
5.3.220.0100.06714.57
5.3.210.0170.06714.38
5.3.200.0170.06314.52
5.3.190.0100.07314.41
5.3.180.0000.08714.54
5.3.170.0030.07714.38
5.3.160.0070.08014.50
5.3.150.0000.05314.42
5.3.140.0000.04314.52
5.3.130.0100.06014.39
5.3.120.0130.07014.55
5.3.110.0170.07314.53
5.3.100.0100.07714.02
5.3.90.0070.07313.96
5.3.80.0000.07713.79
5.3.70.0070.07713.97
5.3.60.0130.07313.98
5.3.50.0070.05713.95
5.3.40.0130.05013.94
5.3.30.0100.05313.66
5.3.20.0000.04713.69
5.3.10.0130.06713.64
5.3.00.0230.05713.49
5.2.170.0070.06312.32
5.2.160.0070.06012.32
5.2.150.0100.06012.32
5.2.140.0070.06312.32
5.2.130.0030.06012.32
5.2.120.0100.05312.32
5.2.110.0100.06012.32
5.2.100.0100.05312.32
5.2.90.0070.06312.32
5.2.80.0070.06312.32
5.2.70.0100.05712.32
5.2.60.0030.07012.32
5.2.50.0030.06312.32
5.2.40.0030.06712.32
5.2.30.0070.06312.32
5.2.20.0070.05012.32
5.2.10.0030.06312.32
5.2.00.0070.05712.32
5.1.60.0000.04312.32
5.1.50.0130.04712.32
5.1.40.0030.05012.32
5.1.30.0070.04712.32
5.1.20.0070.06012.32
5.1.10.0000.03712.32
5.1.00.0070.05712.32
5.0.50.0000.04012.32
5.0.40.0030.02712.32
5.0.30.0030.07012.32
5.0.20.0000.04712.32
5.0.10.0030.03712.32
5.0.00.0000.06312.32
4.4.90.0000.03312.32
4.4.80.0030.03712.32
4.4.70.0000.04012.32
4.4.60.0000.03712.32
4.4.50.0030.02712.32
4.4.40.0000.04312.32
4.4.30.0070.03312.32
4.4.20.0000.03012.32
4.4.10.0000.03712.32
4.4.00.0000.03012.32
4.3.110.0030.03712.32
4.3.100.0000.02312.32
4.3.90.0000.03312.32
4.3.80.0030.05012.32
4.3.70.0000.03312.32
4.3.60.0100.02312.32
4.3.50.0170.02712.32
4.3.40.0000.04712.32
4.3.30.0030.03712.32
4.3.20.0000.03712.32
4.3.10.0000.03712.32
4.3.00.0070.03012.32

preferences:
41.21 ms | 400 KiB | 5 Q