3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heart = "really 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)
8.3.60.0110.00318.52
8.3.50.0130.00422.06
8.3.40.0110.00418.59
8.3.30.0070.00718.88
8.3.20.0070.00020.29
8.3.10.0080.00021.82
8.3.00.0040.00417.91
8.2.180.0090.00618.29
8.2.170.0110.00422.96
8.2.160.0030.01020.57
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0090.00926.16
8.2.120.0080.00021.12
8.2.110.0040.00419.26
8.2.100.0000.01117.72
8.2.90.0000.00719.17
8.2.80.0030.00517.97
8.2.70.0030.00617.75
8.2.60.0040.00418.02
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0070.00018.18
8.2.20.0040.00417.71
8.2.10.0080.00018.23
8.2.00.0030.00617.82
8.1.280.0100.01025.92
8.1.270.0080.00023.95
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0130.00323.94
8.1.230.0080.00321.02
8.1.220.0080.00018.77
8.1.210.0050.00319.23
8.1.200.0110.00817.00
8.1.190.0040.00417.25
8.1.180.0030.00518.10
8.1.170.0000.00918.79
8.1.160.0030.00522.18
8.1.150.0000.00818.91
8.1.140.0030.00617.57
8.1.130.0050.00217.80
8.1.120.0030.00517.61
8.1.110.0050.00317.62
8.1.100.0000.00717.60
8.1.90.0030.00317.54
8.1.80.0000.00817.45
8.1.70.0070.00017.56
8.1.60.0040.00417.63
8.1.50.0030.00617.53
8.1.40.0000.00717.60
8.1.30.0030.00517.74
8.1.20.0000.00817.73
8.1.10.0040.00417.64
8.1.00.0040.00417.70
8.0.300.0050.00220.10
8.0.290.0000.00816.75
8.0.280.0040.00418.46
8.0.270.0000.00717.41
8.0.260.0000.00717.38
8.0.250.0050.00517.02
8.0.240.0000.00716.93
8.0.230.0000.00817.07
8.0.220.0040.00416.99
8.0.210.0070.00016.96
8.0.200.0030.00317.07
8.0.190.0050.00317.00
8.0.180.0080.00016.98
8.0.170.0000.00917.05
8.0.160.0040.00417.02
8.0.150.0000.00717.02
8.0.140.0070.00016.98
8.0.130.0060.00013.45
8.0.120.0080.00016.87
8.0.110.0070.00017.00
8.0.100.0030.00516.92
8.0.90.0030.00316.97
8.0.80.0140.00416.98
8.0.70.0040.00416.90
8.0.60.0040.00416.98
8.0.50.0040.00417.08
8.0.30.0160.00617.20
8.0.20.0080.01217.40
8.0.10.0070.00016.88
8.0.00.0080.00916.79
7.4.330.0050.00015.26
7.4.320.0060.00016.63
7.4.300.0030.00316.72
7.4.290.0070.00016.72
7.4.280.0020.00516.62
7.4.270.0070.00016.72
7.4.260.0040.00416.52
7.4.250.0080.00016.60
7.4.240.0040.00316.62
7.4.230.0080.00016.64
7.4.220.0030.01616.74
7.4.210.0070.00716.80
7.4.200.0030.00316.68
7.4.160.0120.00416.62
7.4.150.0150.00317.40
7.4.140.0080.01017.86
7.4.130.0050.01116.55
7.4.120.0120.00616.55
7.4.110.0090.00916.57
7.4.100.0060.01416.58
7.4.90.0070.01016.58
7.4.80.0150.00619.39
7.4.70.0130.00316.52
7.4.60.0070.01016.52
7.4.50.0040.00416.34
7.4.40.0030.01316.45
7.4.30.0060.00916.59
7.4.00.0080.00814.94
7.3.330.0000.00513.08
7.3.320.0030.00313.14
7.3.310.0000.00716.16
7.3.300.0030.00316.32
7.3.290.0060.01016.32
7.3.280.0070.01216.32
7.3.270.0060.01217.40
7.3.260.0090.01316.44
7.3.250.0070.01216.37
7.3.240.0060.01016.50
7.3.230.0140.00316.57
7.3.210.0090.00916.42
7.3.200.0040.01519.39
7.3.190.0060.01016.45
7.3.180.0070.01016.55
7.3.170.0130.00316.61
7.3.160.0110.00516.48
7.3.120.0120.00514.93
7.3.110.0070.01114.88
7.3.100.0030.01014.70
7.3.90.0040.00814.78
7.3.80.0040.00814.69
7.3.70.0090.00614.90
7.3.60.0090.00614.79
7.3.50.0090.00414.82
7.3.40.0140.00014.69
7.3.30.0080.00614.79
7.3.20.0090.00616.40
7.3.10.0000.01816.53
7.3.00.0030.01416.53
7.2.330.0090.00916.52
7.2.320.0120.00616.85
7.2.310.0100.00616.63
7.2.300.0100.00716.63
7.2.290.0030.01316.58
7.2.250.0060.01215.25
7.2.240.0070.01315.08
7.2.230.0110.00715.29
7.2.220.0100.00615.03
7.2.210.0030.01214.85
7.2.200.0040.00814.70
7.2.190.0000.01714.71
7.2.180.0040.00914.79
7.2.170.0030.01015.04
7.2.60.0000.01316.60
7.2.00.0030.00919.54
7.1.330.0090.00615.77
7.1.320.0070.00715.60
7.1.310.0080.00515.89
7.1.300.0030.00915.95
7.1.290.0040.01115.85
7.1.280.0060.00615.63
7.1.270.0120.00316.03
7.1.260.0070.00715.78
7.1.200.0060.00615.88
7.1.100.0040.00918.26
7.1.70.0070.00017.02
7.1.60.0120.00919.25
7.1.50.0070.01416.96
7.1.00.0070.07322.44
7.0.200.0030.00316.62
7.0.140.0000.07722.01
7.0.60.0030.05320.05
7.0.50.0030.04717.80
7.0.40.0030.04320.23
7.0.30.0230.03720.02
7.0.20.0370.06720.13
7.0.10.0130.08020.02
7.0.00.0030.08720.16
5.6.280.0100.06720.77
5.6.210.0030.04020.76
5.6.200.0030.04018.13
5.6.190.0030.05320.42
5.6.180.0200.08320.27
5.6.170.0200.04020.33
5.6.160.0100.04720.52
5.6.150.0070.08018.16
5.6.140.0100.04718.11
5.6.130.0030.05318.17
5.6.120.0100.05021.11
5.6.110.0070.08720.98
5.6.100.0070.04021.10
5.6.90.0070.08020.87
5.6.80.0070.04720.35
5.5.350.0300.07720.41
5.5.340.0000.04318.02
5.5.330.0030.04720.06
5.5.320.0330.06320.41
5.5.310.0370.07020.34
5.5.300.0030.05017.91
5.5.290.0000.07718.02
5.5.280.0030.04320.79
5.5.270.0000.05720.86
5.5.260.0130.08020.95
5.5.250.0000.04720.60
5.5.240.0030.08320.18
5.4.450.0870.05319.48
5.4.440.0770.05019.15
5.4.430.0170.05019.53
5.4.420.0100.06019.15
5.4.410.0200.04318.70
5.4.400.0300.05018.54
5.4.390.0330.05718.62
5.4.380.0030.06318.73
5.4.370.0130.03018.57
5.4.360.0100.03318.73
5.4.350.0050.03711.97
5.4.340.0090.04211.97
5.4.320.0070.03612.45
5.4.310.0080.04312.45
5.4.300.0090.04012.45
5.4.290.0050.04712.45
5.4.280.0100.04212.35
5.4.270.0080.04012.35
5.4.260.0080.04012.35
5.4.250.0020.04212.35
5.4.240.0060.03712.35
5.4.230.0050.05012.34
5.4.220.0090.03712.34
5.4.210.0100.03512.34
5.4.200.0070.04312.34
5.4.190.0080.04112.33
5.4.180.0030.04412.34
5.4.170.0060.04212.34
5.4.160.0090.03512.34
5.4.150.0050.03812.34
5.4.140.0050.03812.02
5.4.130.0060.03512.01
5.4.120.0050.03511.97
5.4.110.0040.03911.96
5.4.100.0050.04411.97
5.4.90.0090.04011.96
5.4.80.0070.03911.96
5.4.70.0070.03711.96
5.4.60.0080.03511.96
5.4.50.0100.04111.96
5.4.40.0080.03411.95
5.4.30.0080.04511.95
5.4.20.0060.04211.95
5.4.10.0050.04111.95
5.4.00.0030.03911.44
5.3.290.0060.04212.80
5.3.280.0100.03812.70
5.3.270.0080.04012.72
5.3.260.0110.03812.72
5.3.250.0080.03612.72
5.3.240.0030.04412.72
5.3.230.0060.03812.71
5.3.220.0060.03712.68
5.3.210.0070.03812.68
5.3.200.0030.04012.68
5.3.190.0050.03712.67
5.3.180.0070.03412.67
5.3.170.0040.03712.67
5.3.160.0040.03812.68
5.3.150.0070.03512.67
5.3.140.0060.03512.66
5.3.130.0040.04012.66
5.3.120.0060.03812.66
5.3.110.0040.04212.65
5.3.100.0080.03412.12
5.3.90.0050.03612.09
5.3.80.0060.03512.07
5.3.70.0070.03412.08
5.3.60.0050.03712.06
5.3.50.0090.04712.00
5.3.40.0040.04012.00
5.3.30.0040.03611.96
5.3.20.0060.03411.73
5.3.10.0060.03311.70
5.3.00.0070.03411.69
5.2.170.0030.0319.18
5.2.160.0030.0309.18
5.2.150.0100.0259.18
5.2.140.0040.0379.18
5.2.130.0030.0339.14
5.2.120.0040.0309.14
5.2.110.0050.0319.14
5.2.100.0070.0269.14
5.2.90.0060.0349.14
5.2.80.0040.0309.14
5.2.70.0050.0369.14
5.2.60.0030.0349.09
5.2.50.0060.0339.05
5.2.40.0060.0269.04
5.2.30.0030.0359.02
5.2.20.0020.0319.00
5.2.10.0030.0298.95
5.2.00.0030.0308.80
5.1.60.0020.0258.09
5.1.50.0070.0228.08
5.1.40.0040.0248.06
5.1.30.0020.0278.41
5.1.20.0060.0248.43
5.1.10.0050.0318.16
5.1.00.0070.0288.16
5.0.50.0030.0246.63
5.0.40.0060.0226.50
5.0.30.0030.0326.30
5.0.20.0030.0216.28
5.0.10.0030.0196.25
5.0.00.0020.0316.25
4.4.90.0030.0164.78
4.4.80.0040.0154.76
4.4.70.0050.0134.75
4.4.60.0030.0144.76
4.4.50.0030.0224.77
4.4.40.0020.0294.71
4.4.30.0030.0154.76
4.4.20.0030.0144.85
4.4.10.0040.0184.85
4.4.00.0030.0274.76
4.3.110.0030.0154.67
4.3.100.0030.0204.66
4.3.90.0060.0164.63
4.3.80.0060.0254.58
4.3.70.0020.0154.63
4.3.60.0020.0214.63
4.3.50.0040.0154.63
4.3.40.0000.0324.53
4.3.30.0010.0173.28
4.3.20.0020.0163.26
4.3.10.0020.0153.22
4.3.00.0130.0207.12

preferences:
39.33 ms | 400 KiB | 5 Q