3v4l.org

run code in 300+ PHP versions simultaneously
<?php str_replace("\xB2", '&sup2;', $record['description']);

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)
8.3.60.0070.00716.38
8.3.50.0120.00621.92
8.3.40.0060.00918.73
8.3.30.0110.00419.02
8.3.20.0060.00320.38
8.3.10.0080.00023.53
8.3.00.0040.00417.89
8.2.180.0170.00316.63
8.2.170.0200.00022.96
8.2.160.0100.00320.57
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00021.04
8.2.110.0030.00622.08
8.2.100.0120.00018.09
8.2.90.0000.00819.09
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.91
8.2.50.0030.00618.07
8.2.40.0000.00718.09
8.2.30.0050.00218.24
8.2.20.0050.00217.73
8.2.10.0000.00917.96
8.2.00.0040.00417.67
8.1.280.0070.01025.92
8.1.270.0080.00022.10
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0030.00622.05
8.1.230.0040.00719.08
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0050.00318.50
8.1.160.0080.00021.88
8.1.150.0030.00618.75
8.1.140.0030.00617.38
8.1.130.0030.00317.76
8.1.120.0030.00417.21
8.1.110.0040.00417.24
8.1.100.0050.00217.15
8.1.90.0030.00317.20
8.1.80.0060.00317.23
8.1.70.0050.00317.29
8.1.60.0000.00817.47
8.1.50.0000.00917.41
8.1.40.0040.00417.37
8.1.30.0000.00917.50
8.1.20.0050.00317.51
8.1.10.0000.00817.36
8.1.00.0070.00017.28
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.27
8.0.270.0040.00417.03
8.0.260.0050.00317.00
8.0.250.0040.00316.78
8.0.240.0040.00416.87
8.0.230.0000.00716.79
8.0.220.0030.00316.77
8.0.210.0000.00716.82
8.0.200.0000.00916.81
8.0.190.0000.00716.85
8.0.180.0000.00716.75
8.0.170.0080.00016.88
8.0.160.0000.00716.80
8.0.150.0110.00016.83
8.0.140.0040.00416.62
8.0.130.0030.00513.26
8.0.120.0060.00316.79
8.0.110.0040.00416.81
8.0.100.0040.00416.71
8.0.90.0040.00416.82
8.0.80.0070.01416.80
8.0.70.0000.00716.72
8.0.60.0000.00716.70
8.0.50.0000.00716.73
8.0.30.0110.00717.13
8.0.20.0130.00617.40
8.0.10.0080.00016.88
8.0.00.0070.01016.92
7.4.330.0000.00515.02
7.4.320.0060.00016.49
7.4.300.0030.00316.29
7.4.290.0030.00316.47
7.4.280.0000.00816.31
7.4.270.0030.00316.46
7.4.260.0030.00316.40
7.4.250.0000.00816.34
7.4.240.0020.00516.39
7.4.230.0040.00416.26
7.4.220.0130.00316.55
7.4.210.0070.00716.40
7.4.200.0040.00416.55
7.4.160.0080.00816.47
7.4.150.0090.01017.40
7.4.140.0060.01117.86
7.4.130.0130.00316.55
7.4.120.0130.00616.50
7.4.110.0130.00316.29
7.4.100.0130.00416.57
7.4.90.0070.01016.57
7.4.80.0110.00719.39
7.4.70.0060.01016.34
7.4.60.0120.00616.29
7.4.50.0000.00416.45
7.4.40.0170.00716.35
7.4.30.0030.01216.39
7.4.00.0050.00814.90
7.3.330.0030.00313.09
7.3.320.0000.00512.98
7.3.310.0000.00716.35
7.3.300.0030.00316.25
7.3.290.0040.00916.31
7.3.280.0090.00916.21
7.3.270.0100.00617.40
7.3.260.0120.00616.34
7.3.250.0120.00516.41
7.3.240.0170.00016.41
7.3.230.0100.01316.41
7.3.210.0000.01616.29
7.3.200.0030.01419.39
7.3.190.0070.01016.51
7.3.180.0070.01416.28
7.3.170.0000.01516.44
7.3.160.0190.00316.46
7.3.120.0050.00914.82
7.3.110.0100.00714.92
7.3.100.0040.00714.89
7.3.90.0090.00914.72
7.3.80.0030.01014.85
7.3.70.0060.00614.71
7.3.60.0130.00014.61
7.3.50.0040.00414.57
7.3.40.0030.01314.53
7.3.30.0100.00614.69
7.3.20.0060.00616.52
7.3.10.0090.00316.55
7.3.00.0090.00616.55
7.2.330.0060.01216.61
7.2.320.0100.00716.56
7.2.310.0070.01016.36
7.2.300.0160.00816.61
7.2.290.0080.00816.57
7.2.250.0030.01214.77
7.2.240.0090.00914.82
7.2.230.0060.00614.82
7.2.220.0130.00315.11
7.2.210.0060.01014.84
7.2.200.0000.01114.70
7.2.190.0030.01314.57
7.2.180.0030.00614.89
7.2.170.0060.00314.66
7.2.00.0060.00619.04
7.1.330.0040.01415.47
7.1.320.0090.00615.53
7.1.310.0000.01515.81
7.1.300.0030.01315.56
7.1.290.0030.00615.57
7.1.280.0100.00315.82
7.1.270.0030.00815.61
7.1.260.0090.00615.79
7.1.100.0000.01118.00
7.1.70.0060.00617.18
7.1.60.0120.00819.70
7.1.50.0180.02134.46
7.1.00.0070.06722.35
7.0.200.0000.00916.60
7.0.140.0130.06322.09
7.0.60.0070.07319.93
7.0.50.0030.08017.80
7.0.40.0030.07719.95
7.0.30.0170.04720.04
7.0.20.0170.05020.00
7.0.10.0130.06720.12
7.0.00.0070.06320.13
5.6.210.0070.07720.71
5.6.200.0070.08318.18
5.6.190.0100.08320.61
5.6.180.0400.07720.57
5.6.170.0270.03720.42
5.6.160.0070.08020.46
5.6.150.0170.07318.11
5.6.140.0100.03718.11
5.6.130.0000.04318.07
5.6.120.0130.06720.89
5.6.110.0100.07720.88
5.6.100.0170.07720.96
5.6.90.0030.06321.09
5.6.80.0030.04020.35
5.5.350.0170.08020.42
5.5.340.0070.08317.95
5.5.330.0100.04320.20
5.5.320.0330.06720.29
5.5.310.0170.08720.32
5.5.300.0000.05017.91
5.5.290.0070.07717.90
5.5.280.0130.04720.89
5.5.270.0070.04020.77
5.5.260.0100.03720.79
5.5.250.0070.04320.61
5.5.240.0030.07720.34
5.4.450.0070.04319.12
5.4.440.0000.08319.46
5.4.430.0030.05319.26
5.4.420.0030.07719.57
5.4.410.0070.07719.46
5.4.400.0030.05319.14
5.4.390.0030.06019.09
5.4.380.0000.05019.06
5.4.370.0100.04318.88
5.4.360.0200.04318.79
5.4.350.0030.04719.21
5.4.340.0070.07719.06
5.4.320.0200.07318.91
5.4.310.0230.05719.23
5.4.300.0130.05019.14
5.4.290.0200.04719.24
5.4.280.0270.04319.08
5.4.270.0270.05319.13
5.4.260.0270.03719.16
5.4.250.0270.06018.91
5.4.240.0230.04019.09
5.4.230.0400.06019.09
5.4.220.0300.03718.88
5.4.210.0270.04318.78
5.4.200.0300.07318.93
5.4.190.0270.05019.08
5.4.180.0300.06319.07
5.4.170.0370.06719.24
5.4.160.0300.04018.86
5.4.150.0200.04019.14
5.4.140.0300.06316.20
5.4.130.0270.03316.37
5.4.120.0170.07016.44
5.4.110.0230.03316.48
5.4.100.0200.03316.39
5.4.90.0230.03016.20
5.4.80.0130.03716.37
5.4.70.0200.03716.37
5.4.60.0200.03316.36
5.4.50.0170.03716.20
5.4.40.0170.03716.42
5.4.30.0270.02716.03
5.4.20.0170.03716.47
5.4.10.0200.03316.31
5.4.00.0230.03015.82
5.3.290.0100.04714.64
5.3.280.0370.06314.45
5.3.270.0330.07314.58
5.3.260.0200.04314.44
5.3.250.0200.04314.54
5.3.240.0300.04314.55
5.3.230.0270.06714.52
5.3.220.0170.05314.59
5.3.210.0270.03714.40
5.3.200.0200.03714.51
5.3.190.0200.03714.52
5.3.180.0130.04014.51
5.3.170.0170.04014.60
5.3.160.0170.03714.39
5.3.150.0200.04314.43
5.3.140.0170.04014.40
5.3.130.0270.03314.52
5.3.120.0170.04014.49
5.3.110.0130.03714.63
5.3.100.0270.03013.88
5.3.90.0200.03713.89
5.3.80.0100.04313.92
5.3.70.0200.03014.00
5.3.60.0230.03314.03
5.3.50.0200.03013.82
5.3.40.0170.03713.84
5.3.30.0230.03013.75
5.3.20.0200.03313.56
5.3.10.0170.03313.59
5.3.00.0130.04313.59
5.2.170.0130.03012.36
5.2.160.0170.02312.36
5.2.150.0170.02712.36
5.2.140.0100.03312.36
5.2.130.0200.02012.36
5.2.120.0170.02312.36
5.2.110.0070.04012.36
5.2.100.0130.03012.36
5.2.90.0170.02712.36
5.2.80.0200.03012.36
5.2.70.0130.03312.36
5.2.60.0170.03312.36
5.2.50.0170.02712.36
5.2.40.0170.02312.36
5.2.30.0130.02712.36
5.2.20.0100.02712.36
5.2.10.0100.03012.36
5.2.00.0200.04312.36
5.1.60.0130.02312.36
5.1.50.0170.04312.36
5.1.40.0200.04012.36
5.1.30.0130.03712.36
5.1.20.0230.03012.36
5.1.10.0170.05012.36
5.1.00.0230.06312.36
5.0.50.0170.03712.36
5.0.40.0100.02712.36
5.0.30.0030.05312.36
5.0.20.0130.04012.36
5.0.10.0100.03312.36
5.0.00.0130.04312.36
4.4.90.0070.01312.36
4.4.80.0100.01012.36
4.4.70.0070.01712.36
4.4.60.0070.01312.36
4.4.50.0100.01312.36
4.4.40.0070.03312.36
4.4.30.0070.03712.36
4.4.20.0070.01712.36
4.4.10.0130.02012.36
4.4.00.0070.04312.36
4.3.110.0100.03012.36
4.3.100.0100.02312.36
4.3.90.0100.02012.36
4.3.80.0130.03312.36
4.3.70.0100.03312.36
4.3.60.0070.02712.36
4.3.50.0200.01712.36
4.3.40.0130.02012.36
4.3.30.0030.01712.36
4.3.20.0030.03712.36
4.3.10.0100.02012.36
4.3.00.0070.02312.36

preferences:
48.13 ms | 401 KiB | 5 Q