3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "<b>ayat</b><br /><b>ollah</b>"; echo $str; echo "\n"; $str = preg_replace( "/</u", " <", $str ); echo $str; ?>

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)
8.3.60.0120.00318.55
8.3.50.0160.00521.14
8.3.40.0150.00018.79
8.3.30.0090.00619.04
8.3.20.0060.00318.91
8.3.10.0050.00321.09
8.3.00.0040.00423.59
8.2.180.0090.00916.50
8.2.170.0140.00722.96
8.2.160.0110.00420.52
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00419.73
8.2.110.0070.00321.17
8.2.100.0060.00618.09
8.2.90.0040.00419.16
8.2.80.0000.00817.97
8.2.70.0030.00917.75
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0000.00818.09
8.2.30.0050.00219.37
8.2.20.0080.00017.85
8.2.10.0040.00417.82
8.2.00.0040.00418.00
8.1.280.0140.00425.92
8.1.270.0030.00623.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00421.15
8.1.230.0060.00617.70
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0090.00017.36
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0030.00518.71
8.1.160.0050.00218.88
8.1.150.0080.00018.72
8.1.140.0050.00217.59
8.1.130.0000.00717.84
8.1.120.0050.00317.45
8.1.110.0060.00317.52
8.1.100.0000.00717.43
8.1.90.0040.00417.46
8.1.80.0030.00417.48
8.1.70.0030.00517.44
8.1.60.0060.00317.71
8.1.50.0000.00717.52
8.1.40.0080.00017.56
8.1.30.0040.00417.69
8.1.20.0040.00417.71
8.1.10.0000.00717.69
8.1.00.0000.00717.55
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0080.00018.45
8.0.270.0030.00317.33
8.0.260.0000.00816.98
8.0.250.0000.00817.14
8.0.240.0030.00517.09
8.0.230.0000.00717.15
8.0.220.0040.00317.00
8.0.210.0000.00716.96
8.0.200.0030.00317.13
8.0.190.0030.00317.09
8.0.180.0000.00717.09
8.0.170.0050.00517.04
8.0.160.0070.00016.92
8.0.150.0000.00816.98
8.0.140.0070.00017.01
8.0.130.0050.00013.39
8.0.120.0040.00416.89
8.0.110.0040.00416.85
8.0.100.0000.00716.85
8.0.90.0040.00317.00
8.0.80.0090.01216.98
8.0.70.0070.00016.91
8.0.60.0040.00416.85
8.0.50.0040.00416.86
8.0.30.0070.01517.15
8.0.20.0130.01217.44
8.0.10.0000.00716.96
8.0.00.0100.01216.99
7.4.330.0030.00314.96
7.4.320.0040.00416.73
7.4.300.0030.00316.64
7.4.290.0030.00316.72
7.4.280.0030.00716.66
7.4.270.0000.00816.75
7.4.260.0000.00613.43
7.4.250.0070.00016.69
7.4.240.0080.00016.65
7.4.230.0050.00216.39
7.4.220.0070.01116.73
7.4.210.0050.01116.64
7.4.200.0000.00716.74
7.4.190.0030.00316.70
7.4.160.0030.01316.38
7.4.150.0090.01517.40
7.4.140.0080.01117.86
7.4.130.0090.00816.62
7.4.120.0090.00816.78
7.4.110.0170.00016.36
7.4.100.0130.00516.34
7.4.90.0120.00616.80
7.4.80.0080.01219.39
7.4.70.0100.01016.84
7.4.60.0060.00916.66
7.4.50.0060.00316.41
7.4.40.0100.00722.77
7.4.30.0100.00716.62
7.4.00.0100.00615.16
7.3.330.0030.00313.27
7.3.320.0030.00313.14
7.3.310.0030.00316.27
7.3.300.0000.00716.32
7.3.290.0030.01216.40
7.3.280.0080.01116.40
7.3.270.0040.01617.40
7.3.260.0080.00918.24
7.3.250.0080.01216.68
7.3.240.0120.00816.46
7.3.230.0110.00916.78
7.3.210.0120.00616.70
7.3.200.0030.01419.39
7.3.190.0110.01116.50
7.3.180.0100.00516.42
7.3.170.0130.00316.48
7.3.160.0090.01216.41
7.3.120.0090.00515.03
7.3.110.0000.01815.11
7.3.100.0100.00614.80
7.3.90.0040.01214.83
7.3.80.0070.01014.88
7.3.70.0120.00615.05
7.3.60.0040.00914.81
7.3.50.0070.00714.89
7.3.40.0030.00614.79
7.3.30.0040.00814.75
7.3.20.0000.01316.86
7.3.10.0110.00816.53
7.3.00.0060.00616.52
7.2.330.0090.01216.72
7.2.320.0070.01416.78
7.2.310.0130.00716.49
7.2.300.0110.00616.55
7.2.290.0190.00316.68
7.2.250.0030.01615.16
7.2.240.0070.01315.02
7.2.230.0070.01015.16
7.2.220.0030.01015.12
7.2.210.0000.01215.02
7.2.200.0030.01515.14
7.2.190.0090.00614.89
7.2.180.0070.01114.81
7.2.170.0070.00315.21
7.2.130.0090.00916.61
7.2.120.0030.01016.96
7.2.110.0130.00716.78
7.2.100.0060.00616.77
7.2.90.0110.00716.55
7.2.80.0140.00316.13
7.2.70.0100.00316.70
7.2.60.0110.00616.54
7.2.50.0200.00316.45
7.2.40.0100.00316.42
7.2.30.0110.00717.07
7.2.20.0080.01916.52
7.2.10.0140.00716.61
7.2.00.0100.00818.20
7.1.330.0080.00316.13
7.1.320.0100.00315.73
7.1.310.0040.01116.02
7.1.300.0040.01115.94
7.1.290.0140.00415.73
7.1.280.0050.00515.98
7.1.270.0030.01015.96
7.1.260.0040.00415.93
7.1.250.0200.00315.64
7.1.70.0060.00617.03
7.1.60.0080.00317.43
7.1.50.0060.00617.18
7.1.00.0030.03322.48
7.0.200.0000.00916.66
7.0.140.0030.07321.95
7.0.100.0100.03720.17
7.0.90.0330.07319.93
7.0.80.0230.03320.05
7.0.70.0230.05720.13
7.0.60.0270.03719.94
7.0.50.0030.03720.22
7.0.40.0070.03319.94
7.0.30.0100.03720.06
7.0.20.0170.03020.18
7.0.10.0000.07320.02
7.0.00.0100.06720.07
5.6.280.0070.06321.09
5.6.250.0000.09320.62
5.6.240.0000.09320.57
5.6.230.0100.07020.67
5.6.220.0030.04320.64
5.6.210.0000.04320.68
5.6.200.0070.04021.16
5.6.190.0030.04020.95
5.6.180.0100.04321.11
5.6.170.0130.05021.03
5.6.160.0030.06020.94
5.6.150.0030.04320.94
5.6.140.0000.04721.04
5.6.130.0030.04321.04
5.6.120.0130.03021.03
5.6.110.0030.03720.92
5.6.100.0100.03321.02
5.6.90.0030.04321.02
5.6.80.0100.04020.43
5.6.70.0000.04320.36
5.6.60.0000.04320.38
5.6.50.0030.04020.47
5.6.40.0000.04320.37
5.6.30.0130.07020.39
5.6.20.0130.04720.23
5.6.10.0070.07020.52
5.6.00.0030.07320.37
5.5.380.0000.07320.36
5.5.370.0100.08020.39
5.5.360.0070.04720.40
5.5.350.0130.03320.32
5.5.340.0000.05020.83
5.5.330.0000.03720.82
5.5.320.0000.04720.88
5.5.310.0070.04720.86
5.5.300.0000.04320.82
5.5.290.0070.04320.75
5.5.280.0030.04320.86
5.5.270.0000.04320.88
5.5.260.0100.06720.88
5.5.250.0130.03320.60
5.5.240.0030.04020.13
5.5.230.0070.04020.29
5.5.220.0030.04320.09
5.5.210.0100.03720.14
5.5.200.0070.03720.22
5.5.190.0070.03720.17
5.5.180.0070.07020.24
5.5.160.0030.05320.23
5.5.150.0030.08320.23
5.5.140.0030.07320.26
5.5.130.0030.04719.98
5.5.120.0000.09020.26
5.5.110.0000.04319.98
5.5.100.0070.04020.07
5.5.90.0070.05020.14
5.5.80.0070.06720.10
5.5.70.0100.08020.13
5.5.60.0030.08019.92
5.5.50.0070.04020.02
5.5.40.0000.08319.93
5.5.30.0170.06720.12
5.5.20.0170.06020.04
5.5.10.0100.07019.95
5.5.00.0070.07320.02
5.4.450.0030.04719.14
5.4.440.0000.04019.30
5.4.430.0000.04019.30
5.4.420.0070.03719.27
5.4.410.0030.04019.14
5.4.400.0000.04719.10
5.4.390.0130.06319.13
5.4.380.0070.03319.05
5.4.370.0030.03719.09
5.4.360.0070.03318.90
5.4.350.0070.07719.03
5.4.340.0200.06019.07
5.4.320.0030.04018.94
5.4.310.0100.05718.96
5.4.300.0070.07719.09
5.4.290.0070.06719.02
5.4.280.0070.07718.94
5.4.270.0170.06719.12
5.4.260.0000.08318.89
5.4.250.0030.07018.89
5.4.240.0100.06019.02
5.4.230.0030.05019.11
5.4.220.0170.06318.78
5.4.210.0000.08318.80
5.4.200.0070.07719.11
5.4.190.0100.07019.02
5.4.180.0000.07019.11
5.4.170.0030.09018.84
5.4.160.0000.05018.88
5.4.150.0130.07319.04
5.4.140.0070.07316.27
5.4.130.0070.04016.32
5.4.120.0030.08016.05
5.4.110.0070.04316.34
5.4.100.0070.07016.43
5.4.90.0070.04316.38
5.4.80.0030.07716.22
5.4.70.0130.07016.20
5.4.60.0070.07016.29
5.4.50.0070.06316.33
5.4.40.0030.07316.23
5.4.30.0130.06716.18
5.4.20.0070.04016.39
5.4.10.0070.07016.33
5.4.00.0030.04015.72
5.3.290.0100.07014.52
5.3.280.0130.06714.58
5.3.270.0030.07014.54
5.3.260.0100.04014.56
5.3.250.0030.05014.54
5.3.240.0000.05014.46
5.3.230.0070.05314.60
5.3.220.0100.05714.55
5.3.210.0100.07014.51
5.3.200.0070.08014.56
5.3.190.0070.08014.52
5.3.180.0070.08014.42
5.3.170.0030.08014.52
5.3.160.0070.09014.38
5.3.150.0070.08014.50
5.3.140.0070.06314.41
5.3.130.0030.08014.40
5.3.120.0100.03314.54
5.3.110.0070.07714.45
5.3.100.0200.03314.04
5.3.90.0070.04013.93
5.3.80.0030.07314.02
5.3.70.0000.08013.77
5.3.60.0030.06313.87
5.3.50.0130.06313.80
5.3.40.0130.07313.80
5.3.30.0070.07013.86
5.3.20.0030.04013.64
5.3.10.0230.05713.63
5.3.00.0070.07313.39
5.2.170.0030.03712.32
5.2.160.0030.06012.32
5.2.150.0100.05312.32
5.2.140.0000.06312.32
5.2.130.0100.05012.32
5.2.120.0030.06712.32
5.2.110.0070.03012.32
5.2.100.0100.04712.32
5.2.90.0070.05712.32
5.2.80.0170.05312.32
5.2.70.0070.06012.32
5.2.60.0030.06312.32
5.2.50.0030.03712.32
5.2.40.0070.03012.32
5.2.30.0030.05712.32
5.2.20.0100.03012.32
5.2.10.0070.04312.32
5.2.00.0030.05012.32
5.1.60.0030.04012.32
5.1.50.0000.05312.32
5.1.40.0030.03312.32
5.1.30.0030.05312.32
5.1.20.0070.04312.32
5.1.10.0000.05712.32
5.1.00.0030.03012.32
5.0.50.0030.02012.32
5.0.40.0100.02012.32
5.0.30.0000.03312.32
5.0.20.0030.03312.32
5.0.10.0070.04012.32
5.0.00.0070.06012.32
4.4.90.0070.03012.32
4.4.80.0000.03712.32
4.4.70.0000.03312.32
4.4.60.0000.03712.32
4.4.50.0000.02012.32
4.4.40.0030.05012.32
4.4.30.0070.03012.32
4.4.20.0000.02312.32
4.4.10.0030.01712.32
4.4.00.0000.05312.32
4.3.110.0000.01712.32
4.3.100.0000.03312.32
4.3.90.0030.01712.32
4.3.80.0000.05312.32
4.3.70.0000.03312.32
4.3.60.0070.02312.32
4.3.50.0030.03012.32
4.3.40.0030.05312.32
4.3.30.0000.03712.32
4.3.20.0030.03712.32
4.3.10.0000.02012.32
4.3.00.0000.03312.32

preferences:
47.53 ms | 401 KiB | 5 Q