3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heart = "love"; $pat = "[♥]+"; $sub = "heart"; $code = mb_ereg_replace( $pat, $sub, "I \$♥ PHP" ); eval("$code = \"$code\""); echo $code;

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)
8.3.40.0100.01019.14
8.3.30.0040.01119.35
8.3.20.0040.00420.59
8.3.10.0080.00022.00
8.3.00.0050.00319.63
8.2.170.0090.00622.96
8.2.160.0130.00320.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.01126.16
8.2.120.0100.00321.15
8.2.110.0050.00521.05
8.2.100.0080.00417.86
8.2.90.0040.00418.03
8.2.80.0000.00819.28
8.2.70.0090.00317.63
8.2.60.0080.00318.05
8.2.50.0030.00518.07
8.2.40.0030.00518.22
8.2.30.0000.00718.06
8.2.20.0040.00417.85
8.2.10.0040.00418.22
8.2.00.0000.00917.75
8.1.270.0050.00322.19
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00721.31
8.1.230.0030.00720.88
8.1.220.0050.00317.88
8.1.210.0080.00018.77
8.1.200.0070.00317.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.74
8.1.160.0000.00722.20
8.1.150.0000.00818.99
8.1.140.0000.00817.53
8.1.130.0080.00017.88
8.1.120.0070.00017.57
8.1.110.0050.00317.61
8.1.100.0030.00317.53
8.1.90.0050.00317.48
8.1.80.0030.00417.59
8.1.70.0020.00517.49
8.1.60.0040.00417.66
8.1.50.0040.00417.55
8.1.40.0000.00717.61
8.1.30.0040.00417.78
8.1.20.0000.00817.75
8.1.10.0050.00317.71
8.1.00.0040.00417.60
8.0.300.0000.00720.15
8.0.290.0040.00416.63
8.0.280.0000.00718.56
8.0.270.0000.00817.34
8.0.260.0060.00017.38
8.0.250.0070.00017.16
8.0.240.0030.00517.11
8.0.230.0030.00317.13
8.0.220.0000.00817.07
8.0.210.0050.00317.00
8.0.200.0060.00017.10
8.0.190.0000.00817.05
8.0.180.0040.00417.08
8.0.170.0000.00717.07
8.0.160.0000.00717.19
8.0.150.0040.00416.96
8.0.140.0070.00316.98
8.0.130.0050.00013.56
8.0.120.0000.00717.00
8.0.110.0020.00516.98
8.0.100.0050.00217.04
8.0.90.0000.00717.15
8.0.80.0060.01016.96
8.0.70.0040.00416.97
8.0.60.0040.00417.15
8.0.50.0070.00016.96
8.0.30.0120.01117.31
8.0.20.0110.00817.40
8.0.10.0040.00417.08
8.0.00.0080.00917.04
7.4.330.0000.00515.30
7.4.320.0030.00316.71
7.4.300.0030.00316.65
7.4.290.0030.00316.54
7.4.280.0070.00016.50
7.4.270.0000.00816.63
7.4.260.0000.00716.63
7.4.250.0000.00716.66
7.4.240.0030.00316.68
7.4.230.0030.00316.56
7.4.220.0100.00716.57
7.4.210.0130.00716.79
7.4.200.0000.00716.62
7.4.160.0070.00716.77
7.4.150.0110.00717.40
7.4.140.0100.01217.86
7.4.130.0100.00716.81
7.4.120.0110.00616.60
7.4.110.0100.00716.48
7.4.100.0130.00316.47
7.4.90.0100.00716.49
7.4.80.0070.01019.39
7.4.70.0090.01516.50
7.4.60.0060.01016.60
7.4.50.0000.00516.62
7.4.40.0090.00616.70
7.4.30.0090.00616.57
7.4.00.0000.01214.83
7.3.330.0000.00713.48
7.3.320.0000.00513.28
7.3.310.0060.00016.54
7.3.300.0080.00016.31
7.3.290.0040.01216.55
7.3.280.0080.00916.47
7.3.270.0070.01117.40
7.3.260.0070.01116.34
7.3.240.0160.00616.48
7.3.230.0060.01016.47
7.3.210.0070.01016.43
7.3.200.0150.00319.39
7.3.190.0100.01016.49
7.3.180.0100.00716.59
7.3.170.0060.01016.48
7.3.160.0090.00616.42
7.2.330.0130.01016.51
7.2.320.0110.00716.77
7.2.310.0000.01716.74
7.2.300.0100.00716.45
7.2.290.0100.00716.71
7.2.60.0100.00317.09
7.2.00.0030.01019.66
7.1.200.0040.00715.90
7.1.100.0040.00418.20
7.1.70.0030.00616.93
7.1.60.0120.01219.40
7.1.50.0130.01017.22
7.1.00.0070.07322.31
7.0.200.0040.00416.75
7.0.140.0030.07022.07
7.0.60.0130.08019.91
7.0.50.0070.07717.97
7.0.40.0100.07320.16
7.0.30.0470.05320.16
7.0.20.0270.07720.33
7.0.10.0070.08320.24
7.0.00.0100.08320.33
5.6.280.0030.07321.12
5.6.210.0070.06720.71
5.6.200.0230.06318.25
5.6.190.0070.05020.48
5.6.180.0200.04020.67
5.6.170.0300.07320.58
5.6.160.0030.04020.48
5.6.150.0030.04018.29
5.6.140.0100.07718.21
5.6.130.0000.07718.16
5.6.120.0070.09021.01
5.6.110.0170.07021.08
5.6.100.0170.07020.98
5.6.90.0130.08021.05
5.6.80.0030.07320.35
5.6.70.4470.04020.42
5.5.350.0200.06320.48
5.5.340.0070.05318.03
5.5.330.0100.05020.40
5.5.320.0300.05320.34
5.5.310.0230.04020.18
5.5.300.0070.04317.98
5.5.290.0100.07717.98
5.5.280.0130.08020.84
5.5.270.0000.04320.86
5.5.260.0100.06020.63
5.5.250.0170.07320.66
5.5.240.0230.06720.25
5.4.450.1100.06319.17
5.4.440.0730.06319.18
5.4.430.0800.05719.68
5.4.420.0170.04719.51
5.4.410.0070.06019.40
5.4.400.0300.06318.86
5.4.390.0400.05018.79
5.4.380.0200.07018.52
5.4.370.0270.07018.78
5.4.360.0470.05318.72
5.4.350.0080.04312.01
5.4.340.0080.04612.00
5.4.320.0060.05612.49
5.4.310.0100.04312.48
5.4.300.0070.04912.49
5.4.290.0050.04212.49
5.4.280.0040.03812.38
5.4.270.0030.04012.38
5.4.260.0080.04412.38
5.4.250.0050.03912.38
5.4.240.0070.03512.38
5.4.230.0030.04012.38
5.4.220.0070.03512.37
5.4.210.0100.03212.37
5.4.200.0050.03812.37
5.4.190.0070.03612.37
5.4.180.0050.03712.37
5.4.170.0050.03812.38
5.4.160.0050.03612.38
5.4.150.0070.03412.37
5.4.140.0060.03612.06
5.4.130.0050.03612.04
5.4.120.0060.03612.01
5.4.110.0050.03612.00
5.4.100.0060.03512.00
5.4.90.0090.03212.00
5.4.80.0050.03712.00
5.4.70.0050.03712.00
5.4.60.0040.03712.00
5.4.50.0040.03712.00
5.4.40.0050.04311.99
5.4.30.0070.03411.98
5.4.20.0040.03711.98
5.4.10.0090.05511.98
5.4.00.0060.05011.47
5.3.290.0100.04712.80
5.3.280.0070.03812.71
5.3.270.0030.04312.72
5.3.260.0060.03912.72
5.3.250.0070.03612.72
5.3.240.0040.03912.72
5.3.230.0050.03812.71
5.3.220.0070.03512.68
5.3.210.0050.03912.68
5.3.200.0030.03912.68
5.3.190.0060.03812.68
5.3.180.0060.03612.68
5.3.170.0070.03512.67
5.3.160.0070.03512.68
5.3.150.0070.03512.67
5.3.140.0080.03412.66
5.3.130.0080.04412.66
5.3.120.0050.04812.66
5.3.110.0070.03912.66
5.3.100.0070.03812.12
5.3.90.0070.04312.08
5.3.80.0040.05112.07
5.3.70.0060.03712.07
5.3.60.0090.03412.06
5.3.50.0090.03312.00
5.3.40.0040.03812.00
5.3.30.0040.03611.96
5.3.20.0080.03311.73
5.3.10.0070.03311.70
5.3.00.0050.03611.69
5.2.170.0070.0289.18
5.2.160.0060.0419.18
5.2.150.0050.0369.18
5.2.140.0040.0329.18
5.2.130.0040.0309.14
5.2.120.0070.0319.14
5.2.110.0050.0419.15
5.2.100.0070.0309.14
5.2.90.0040.0339.14
5.2.80.0050.0339.14
5.2.70.0050.0379.14
5.2.60.0070.0309.09
5.2.50.0060.0379.06
5.2.40.0080.0369.04
5.2.30.0030.0339.02
5.2.20.0060.0289.01
5.2.10.0030.0298.94
5.2.00.0040.0298.80
5.1.60.0060.0218.08
5.1.50.0080.0208.07
5.1.40.0050.0238.06
5.1.30.0040.0268.42
5.1.20.0040.0268.44
5.1.10.0030.0278.16
5.1.00.0050.0248.16
5.0.50.0030.0216.64
5.0.40.0060.0176.50
5.0.30.0040.0336.31
5.0.20.0030.0216.28
5.0.10.0040.0206.26
5.0.00.0040.0316.25
4.4.90.0020.0164.78
4.4.80.0030.0164.75
4.4.70.0030.0174.75
4.4.60.0020.0174.75
4.4.50.0040.0154.77
4.4.40.0010.0274.71
4.4.30.0030.0164.76
4.4.20.0040.0154.84
4.4.10.0040.0154.84
4.4.00.0020.0264.75
4.3.110.0030.0174.67
4.3.100.0030.0164.66
4.3.90.0010.0164.63
4.3.80.0020.0244.58
4.3.70.0000.0174.63
4.3.60.0010.0164.63
4.3.50.0030.0164.63
4.3.40.0030.0234.54
4.3.30.0000.0183.28
4.3.20.0020.0193.26
4.3.10.0020.0163.22
4.3.00.0100.02710.96

preferences:
37.66 ms | 400 KiB | 5 Q