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)
5.4.310.0060.03812.46
5.4.300.0030.04012.46
5.4.290.0050.03812.46
5.4.280.0030.03812.36
5.4.270.0040.03812.36
5.4.260.0050.03812.36
5.4.250.0060.03912.36
5.4.240.0080.03312.36
5.4.230.0030.04012.35
5.4.220.0060.03512.35
5.4.210.0050.03512.35
5.4.200.0060.03812.35
5.4.190.0020.04412.35
5.4.180.0080.03412.35
5.4.170.0070.03612.36
5.4.160.0040.03712.35
5.4.150.0050.03812.35
5.4.140.0060.03812.04
5.4.130.0070.03412.02
5.4.120.0070.03411.98
5.4.110.0050.03611.98
5.4.100.0050.03611.98
5.4.90.0050.03911.98
5.4.80.0090.03511.98
5.4.70.0050.03611.97
5.4.60.0060.03511.98
5.4.50.0060.03611.97
5.4.40.0010.03911.96
5.4.30.0050.03711.96
5.4.20.0030.03811.95
5.4.10.0070.04011.96
5.4.00.0110.03211.45
5.3.280.0040.04412.71
5.3.270.0070.04212.72
5.3.260.0030.04312.72
5.3.250.0090.03412.72
5.3.240.0050.03912.72
5.3.230.0070.03812.71
5.3.220.0070.03712.68
5.3.210.0080.03712.68
5.3.200.0090.03812.68
5.3.190.0050.04112.68
5.3.180.0060.03712.68
5.3.170.0090.05012.67
5.3.160.0110.03512.68
5.3.150.0080.04512.67
5.3.140.0070.03712.66
5.3.130.0090.03712.66
5.3.120.0050.04412.66
5.3.110.0080.04612.66
5.3.100.0060.04612.12
5.3.90.0080.04812.08
5.3.80.0100.04712.07
5.3.70.0100.03612.07
5.3.60.0060.04312.06
5.3.50.0080.03712.01
5.3.40.0090.03712.00
5.3.30.0080.03411.95
5.3.20.0040.03811.73
5.3.10.0070.04111.70
5.3.00.0060.03811.68
5.2.170.0030.0339.18
5.2.160.0060.0299.18
5.2.150.0070.0349.18
5.2.140.0050.0399.18
5.2.130.0040.0309.14
5.2.120.0050.0309.14
5.2.110.0040.0399.15
5.2.100.0040.0309.14
5.2.90.0030.0319.14
5.2.80.0060.0299.14
5.2.70.0050.0319.14
5.2.60.0030.0339.09
5.2.50.0050.0329.06
5.2.40.0040.0309.04
5.2.30.0030.0349.02
5.2.20.0120.0379.00
5.2.10.0110.0348.93
5.2.00.0100.0358.79
5.1.60.0080.0298.07
5.1.50.0050.0248.06
5.1.40.0040.0288.05
5.1.30.0100.0308.40
5.1.20.0080.0358.41
5.1.10.0030.0288.14
5.1.00.0080.0258.14
5.0.50.0040.0206.62
5.0.40.0040.0236.48
5.0.30.0050.0296.29
5.0.20.0030.0206.27
5.0.10.0030.0256.24
5.0.00.0040.0316.23
4.4.90.0030.0234.78
4.4.80.0040.0224.76
4.4.70.0030.0204.75
4.4.60.0040.0144.76
4.4.50.0030.0164.77
4.4.40.0030.0264.71
4.4.30.0020.0164.76
4.4.20.0040.0144.84
4.4.10.0010.0174.84
4.4.00.0040.0244.76
4.3.110.0040.0154.67
4.3.100.0020.0184.66
4.3.90.0030.0154.63
4.3.80.0040.0264.59
4.3.70.0060.0124.63
4.3.60.0020.0164.63
4.3.50.0050.0204.63
4.3.40.0050.0294.53
4.3.30.0010.0183.28
4.3.20.0010.0173.26
4.3.10.0020.0183.22
4.3.00.0030.0237.13

preferences:
144.17 ms | 1394 KiB | 7 Q