3v4l.org

run code in 300+ PHP versions simultaneously
<?php $css = "@charset \"derp\";\n@import test;\n@import derp;\n"; $matches = array(); $imports = preg_match("~^@import (.+);$~",$css,$matches); print_r($matches);

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)
8.3.60.0140.00718.47
8.3.50.0140.00522.08
8.3.40.0080.00818.94
8.3.30.0070.00718.71
8.3.20.0030.00618.90
8.3.10.0040.00420.92
8.3.00.0050.00323.46
8.2.180.0090.01216.50
8.2.170.0110.00422.96
8.2.160.0120.00320.45
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00419.51
8.2.110.0000.01022.20
8.2.100.0080.00417.84
8.2.90.0080.00019.21
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0040.00417.90
8.2.30.0040.00421.35
8.2.20.0030.00617.74
8.2.10.0000.00817.89
8.2.00.0000.00917.87
8.1.280.0140.00725.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00922.47
8.1.230.0070.00420.88
8.1.220.0040.00418.77
8.1.210.0050.00318.89
8.1.200.0030.00617.47
8.1.190.0040.00417.39
8.1.180.0060.00318.10
8.1.170.0030.00518.71
8.1.160.0050.00218.73
8.1.150.0070.00018.70
8.1.140.0040.00417.53
8.1.130.0030.00317.90
8.1.120.0040.00317.54
8.1.110.0070.00317.41
8.1.100.0040.00417.43
8.1.90.0070.00017.51
8.1.80.0030.00317.52
8.1.70.0070.00017.50
8.1.60.0060.00317.56
8.1.50.0000.00717.54
8.1.40.0000.00717.50
8.1.30.0000.00717.77
8.1.20.0080.00017.72
8.1.10.0060.00317.65
8.1.00.0000.00717.48
8.0.300.0070.00019.95
8.0.290.0030.00616.93
8.0.280.0040.00418.27
8.0.270.0070.00017.14
8.0.260.0080.00016.89
8.0.250.0080.00016.92
8.0.240.0090.00016.96
8.0.230.0070.00017.04
8.0.220.0000.00917.06
8.0.210.0040.00416.82
8.0.200.0030.00316.99
8.0.190.0040.00416.92
8.0.180.0000.00717.03
8.0.170.0040.00416.88
8.0.160.0040.00416.84
8.0.150.0000.00816.79
8.0.140.0030.00516.93
8.0.130.0080.00013.39
8.0.120.0040.00416.91
8.0.110.0050.00316.84
8.0.100.0040.00416.82
8.0.90.0000.00717.07
8.0.80.0040.01117.02
8.0.70.0040.00417.03
8.0.60.0040.00416.90
8.0.50.0040.00416.85
8.0.30.0100.00917.15
8.0.20.0070.01017.40
8.0.10.0000.00716.94
8.0.00.0150.00316.94
7.4.330.0050.00015.04
7.4.320.0040.00416.72
7.4.300.0000.00616.73
7.4.290.0000.00716.62
7.4.280.0070.00016.63
7.4.270.0000.00716.75
7.4.260.0000.00513.41
7.4.250.0050.00216.54
7.4.240.0070.00016.77
7.4.230.0070.00016.80
7.4.220.0140.00316.75
7.4.210.0060.00816.60
7.4.200.0040.00416.54
7.4.190.0040.00416.81
7.4.160.0060.01016.73
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0080.00916.66
7.4.120.0130.00816.62
7.4.110.0090.01116.68
7.4.100.0040.01516.64
7.4.90.0100.00716.51
7.4.80.0130.00319.37
7.4.70.0080.00816.48
7.4.60.0070.01016.65
7.4.50.0060.00316.43
7.4.40.0080.00622.52
7.4.30.0100.00616.59
7.4.00.0100.00715.23
7.3.330.0000.00513.21
7.3.320.0000.00513.12
7.3.310.0070.00016.24
7.3.300.0030.00516.32
7.3.290.0060.00916.32
7.3.280.0060.00916.31
7.3.270.0070.01117.40
7.3.260.0100.00918.24
7.3.250.0100.00916.54
7.3.240.0070.01016.60
7.3.230.0080.01216.39
7.3.210.0120.00616.40
7.3.200.0120.01219.39
7.3.190.0100.01116.40
7.3.180.0060.00916.60
7.3.170.0030.01316.63
7.3.160.0110.00516.68
7.3.120.0030.01014.83
7.2.330.0030.01416.65
7.2.320.0150.00416.70
7.2.310.0100.00716.57
7.2.300.0000.01716.71
7.2.290.0090.01216.64
7.2.60.0060.01016.80
7.2.00.0110.00719.59
7.1.200.0030.00615.90
7.1.100.0090.00618.39
7.1.70.0050.00517.37
7.1.60.0030.01619.40
7.1.50.0280.01134.80
7.1.00.0000.03722.45
7.0.200.0040.00416.71
7.0.140.0030.06322.00
7.0.70.0030.06721.74
7.0.60.0100.06021.66
7.0.50.0070.03722.01
7.0.40.0000.04320.05
7.0.30.0030.05320.08
7.0.20.0070.04320.10
7.0.10.0100.04720.07
7.0.00.0070.04320.14
5.6.280.0000.07721.09
5.6.220.0030.06320.64
5.6.210.0030.05320.63
5.6.200.0030.06021.00
5.6.190.0030.04320.93
5.6.180.0000.05720.95
5.6.170.0070.04721.02
5.6.160.0030.07721.01
5.6.150.0030.05321.11
5.6.140.0030.08320.98
5.6.130.0030.06020.92
5.6.120.0030.04021.11
5.6.110.0000.04320.94
5.6.100.0030.04021.05
5.6.90.0030.04021.07
5.6.80.0030.03720.42
5.6.70.0030.03720.31
5.6.60.0030.03720.28
5.6.50.0000.05320.48
5.6.40.0030.04020.41
5.6.30.0030.07720.53
5.6.20.0070.03720.41
5.6.10.0000.04020.29
5.6.00.0070.04720.39
5.5.360.0030.04320.48
5.5.350.0000.05720.45
5.5.340.0070.03720.86
5.5.330.0070.03720.75
5.5.320.0070.03720.80
5.5.310.0070.05020.91
5.5.300.0000.06320.89
5.5.290.0070.05720.86
5.5.280.0000.04320.82
5.5.270.0030.04020.77
5.5.260.0070.04720.81
5.5.250.0070.07320.55
5.5.240.0070.03320.11
5.5.230.0030.07320.27
5.5.220.0070.04320.12
5.5.210.0030.07720.13
5.5.200.0070.04019.98
5.5.190.0000.04020.21
5.5.180.0030.04019.99
5.5.160.0000.04020.21
5.5.150.0000.04320.13
5.5.140.0000.04020.18
5.5.130.0030.04020.09
5.5.120.0030.04320.25
5.5.110.0030.06020.15
5.5.100.0030.04020.06
5.5.90.0030.04320.05
5.5.80.0030.03720.16
5.5.70.0030.08020.13
5.5.60.0000.04720.05
5.5.50.0030.08319.97
5.5.40.0000.07720.03
5.5.30.0070.08020.04
5.5.20.0070.07720.06
5.5.10.0030.07719.99
5.5.00.0000.08320.09
5.4.450.0030.04719.36
5.4.440.0000.04319.55
5.4.430.0000.04019.29
5.4.420.0100.04019.57
5.4.410.0000.04019.22
5.4.400.0030.04018.81
5.4.390.0070.04719.02
5.4.380.0030.04318.96
5.4.370.0000.03718.81
5.4.360.0030.04019.12
5.4.350.0070.05318.98
5.4.340.0100.03319.13
5.4.320.0100.07018.81
5.4.310.0000.04018.98
5.4.300.0000.04018.96
5.4.290.0030.03719.06
5.4.280.0030.03719.07
5.4.270.0030.03719.03
5.4.260.0030.03718.94
5.4.250.0030.03719.16
5.4.240.0030.03719.10
5.4.230.0000.06019.11
5.4.220.0000.08319.02
5.4.210.0030.08018.97
5.4.200.0030.07019.12
5.4.190.0030.07718.89
5.4.180.0100.07718.86
5.4.170.0030.08018.97
5.4.160.0030.06319.00
5.4.150.0030.08319.07
5.4.140.0000.07716.06
5.4.130.0000.04316.11
5.4.120.0030.05316.26
5.4.110.0030.05716.34
5.4.100.0070.07016.25
5.4.90.0000.08016.42
5.4.80.0000.05016.20
5.4.70.0000.07716.19
5.4.60.0030.05716.47
5.4.50.0000.08016.28
5.4.40.0070.07316.41
5.4.30.0030.05316.31
5.4.20.0000.06316.28
5.4.10.0030.05016.19
5.4.00.0070.06715.79
5.3.290.0030.04014.64
5.3.280.0030.03714.58
5.3.270.0000.06014.51
5.3.260.0030.06714.61
5.3.250.0070.04714.44
5.3.240.0000.07714.56
5.3.230.0030.07314.55
5.3.220.0000.07714.55
5.3.210.0030.07714.42
5.3.200.0070.05314.42
5.3.190.0070.07714.54
5.3.180.0070.07314.56
5.3.170.0000.07714.38
5.3.160.0030.05714.55
5.3.150.0100.07314.54
5.3.140.0030.07314.55
5.3.130.0070.06014.36
5.3.120.0070.07714.55
5.3.110.0170.06714.53
5.3.100.0130.05713.89
5.3.90.0070.06714.00
5.3.80.0070.05314.02
5.3.70.0000.04714.00
5.3.60.0000.07313.91
5.3.50.0000.06013.85
5.3.40.0030.05713.70
5.3.30.0030.06713.89
5.3.20.0000.05013.65
5.3.10.0030.07013.43
5.3.00.0030.07013.59
5.2.170.0030.06712.25
5.2.160.0030.06012.25
5.2.150.0000.05712.25
5.2.140.0030.03712.25
5.2.130.0030.04312.25
5.2.120.0030.05712.25
5.2.110.0000.05012.25
5.2.100.0030.03712.25
5.2.90.0070.06012.25
5.2.80.0030.06312.25
5.2.70.0030.06312.25
5.2.60.0100.04712.25
5.2.50.0030.04312.25
5.2.40.0030.02712.25
5.2.30.0000.05012.25
5.2.20.0000.05312.25
5.2.10.0030.04012.25
5.2.00.0000.04312.25
5.1.60.0100.05012.25
5.1.50.0000.06012.25
5.1.40.0000.05012.25
5.1.30.0070.05312.25
5.1.20.0000.05312.25
5.1.10.0030.05312.25
5.1.00.0070.04712.25
5.0.50.0030.03012.25
5.0.40.0030.03712.25
5.0.30.0030.05712.25
5.0.20.0000.03012.25
5.0.10.0000.03012.25
5.0.00.0000.07012.25
4.4.90.0070.02712.25
4.4.80.0030.03312.25
4.4.70.0000.03712.25
4.4.60.0030.02712.25
4.4.50.0070.03312.25
4.4.40.0000.05012.25
4.4.30.0000.03712.25
4.4.20.0000.03712.25
4.4.10.0070.03012.25
4.4.00.0000.06012.25
4.3.110.0000.03312.25
4.3.100.0000.01712.25
4.3.90.0000.02712.25
4.3.80.0000.05312.25
4.3.70.0000.03312.25
4.3.60.0030.03312.25
4.3.50.0070.03012.25
4.3.40.0000.05312.25
4.3.30.0030.02712.25
4.3.20.0030.03312.25
4.3.10.0000.03712.25
4.3.00.0000.02312.25

preferences:
52.91 ms | 400 KiB | 5 Q