3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { const CMS_IDENTIFIER = '#ELEMENT:'; } $identifier = '#ELEMENT:register'; var_dump(substr($identifier, strlen(Test::CMS_IDENTIFIER)));

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)
8.3.60.0060.00916.48
8.3.50.0110.00522.75
8.3.40.0110.00318.66
8.3.30.0040.01118.89
8.3.20.0070.00020.39
8.3.10.0080.00021.86
8.3.00.0080.00017.90
8.2.180.0090.00616.50
8.2.170.0100.01022.96
8.2.160.0120.00320.38
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00321.16
8.2.110.0090.00022.24
8.2.100.0060.00617.78
8.2.90.0070.00019.18
8.2.80.0090.00017.97
8.2.70.0050.00517.50
8.2.60.0000.00817.93
8.2.50.0080.00518.07
8.2.40.0070.00017.81
8.2.30.0000.00717.88
8.2.20.0050.00217.60
8.2.10.0040.00418.00
8.2.00.0040.00417.53
8.1.280.0040.01125.92
8.1.270.0050.00323.97
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.48
8.1.230.0030.00720.85
8.1.220.0040.00418.77
8.1.210.0040.00418.96
8.1.200.0060.00317.25
8.1.190.0030.00617.10
8.1.180.0000.00819.01
8.1.170.0060.00318.56
8.1.160.0020.00522.01
8.1.150.0040.00418.81
8.1.140.0000.00717.26
8.1.130.0070.00017.76
8.1.120.0000.00717.38
8.1.110.0040.00417.39
8.1.100.0040.00417.40
8.1.90.0000.00817.29
8.1.80.0040.00417.44
8.1.70.0000.00817.28
8.1.60.0030.00517.47
8.1.50.0050.00317.50
8.1.40.0080.00017.46
8.1.30.0000.00817.57
8.1.20.0000.00817.57
8.1.10.0040.00417.41
8.1.00.0080.00017.38
8.0.300.0090.00019.84
8.0.290.0070.00016.63
8.0.280.0080.00018.38
8.0.270.0040.00417.19
8.0.260.0000.00617.30
8.0.250.0030.00316.79
8.0.240.0040.00416.88
8.0.230.0080.00016.89
8.0.220.0000.00716.87
8.0.210.0030.00616.80
8.0.200.0030.00316.91
8.0.190.0040.00416.80
8.0.180.0050.00216.82
8.0.170.0000.00716.84
8.0.160.0070.00016.69
8.0.150.0000.00716.61
8.0.140.0040.00416.66
8.0.130.0050.00313.23
8.0.120.0040.00416.81
8.0.110.0000.00816.76
8.0.100.0000.00716.67
8.0.90.0040.00416.64
8.0.80.0060.01416.78
8.0.70.0040.00416.76
8.0.60.0000.00716.83
8.0.50.0000.00816.64
8.0.30.0110.00816.96
8.0.20.0120.00917.40
8.0.10.0040.00416.75
8.0.00.0090.00916.71
7.4.330.0060.00015.00
7.4.320.0000.00716.49
7.4.300.0030.00316.48
7.4.290.0000.00616.53
7.4.280.0060.00316.43
7.4.270.0030.00316.43
7.4.260.0000.00816.34
7.4.250.0000.00716.26
7.4.240.0050.00216.44
7.4.230.0040.00416.34
7.4.220.0110.00816.59
7.4.210.0130.00316.50
7.4.200.0000.00716.64
7.4.160.0040.01116.43
7.4.150.0100.01017.40
7.4.140.0090.01317.86
7.4.130.0060.01216.42
7.4.120.0090.00916.38
7.4.110.0100.00716.33
7.4.100.0100.00716.45
7.4.90.0170.00716.29
7.4.80.0140.00319.39
7.4.70.0160.00016.14
7.4.60.0000.01716.36
7.4.50.0000.00816.50
7.4.40.0080.00916.30
7.4.30.0060.01016.41
7.4.00.0040.01114.65
7.3.330.0060.00013.11
7.3.320.0020.00213.17
7.3.310.0020.00516.15
7.3.300.0000.00716.03
7.3.290.0120.00316.15
7.3.280.0060.01116.16
7.3.270.0140.01117.40
7.3.260.0120.01216.56
7.3.250.0130.00416.38
7.3.240.0100.01316.23
7.3.230.0100.00716.39
7.3.210.0090.01216.32
7.3.200.0110.00919.39
7.3.190.0090.00916.39
7.3.180.0190.00316.36
7.3.170.0090.00616.39
7.3.160.0090.00616.27
7.3.120.0070.00714.41
7.2.330.0040.01316.32
7.2.320.0030.01416.37
7.2.310.0070.01016.59
7.2.300.0070.01016.46
7.2.290.0080.00816.42
7.2.00.0040.00719.22
7.1.100.0000.01217.86
7.1.70.0050.00217.09
7.1.60.0110.01419.40
7.1.50.0150.00916.88
7.1.00.0030.07722.36
7.0.200.0000.01016.73
7.0.140.0030.07321.91
7.0.60.0100.08020.04
7.0.50.0070.04017.87
7.0.40.0100.09020.21
7.0.30.0300.07720.09
7.0.20.0200.05320.30
7.0.10.0070.06320.16
7.0.00.0130.08020.06
5.6.280.0030.07321.02
5.6.210.0170.06020.48
5.6.200.0000.04718.25
5.6.190.0100.08720.64
5.6.180.3200.03020.41
5.6.170.0200.04720.50
5.6.160.0130.04720.44
5.6.150.0100.07718.27
5.6.140.0070.07318.15
5.6.130.0030.04018.11
5.6.120.0030.06321.00
5.6.110.0100.03321.09
5.6.100.0170.07720.95
5.6.90.0100.08021.13
5.6.80.0070.04720.52
5.6.70.4330.03320.41
5.5.350.3200.05020.41
5.5.340.0100.07718.02
5.5.330.0130.03320.30
5.5.320.2300.03320.27
5.5.310.0370.07320.26
5.5.300.0070.08017.95
5.5.290.0070.08717.95
5.5.280.0130.03320.73
5.5.270.0130.08020.89
5.5.260.0100.08320.63
5.5.250.0170.07020.54
5.5.240.0230.05020.26
5.4.450.0400.06019.52
5.4.440.0300.04319.57
5.4.430.0330.04719.27
5.4.420.0530.04019.30
5.4.410.0200.04719.39
5.4.400.0230.03319.06
5.4.390.0530.04019.15
5.4.380.0970.05318.50
5.4.370.0770.05318.65
5.4.360.0830.05318.76
5.4.350.0970.06018.67
5.4.340.0930.05018.47
5.4.320.0060.05412.50
5.4.310.0050.03712.49
5.4.300.0080.03312.50
5.4.290.0090.04312.50
5.4.280.0050.03612.39
5.4.270.0070.03412.39
5.4.260.0080.03712.39
5.4.250.0060.03912.39
5.4.240.0050.03912.39
5.4.230.0060.04612.39
5.4.220.0070.04212.38
5.4.210.0060.03612.38
5.4.200.0050.03912.38
5.4.190.0080.03912.38
5.4.180.0060.04212.38
5.4.170.0080.03612.39
5.4.160.0050.04712.39
5.4.150.0070.03512.38
5.4.140.0070.03512.07
5.4.130.0050.03712.05
5.4.120.0030.03712.01
5.4.110.0060.03412.01
5.4.100.0070.03412.01
5.4.90.0100.03212.01
5.4.80.0080.04212.01
5.4.70.0100.03512.00
5.4.60.0070.04012.00
5.4.50.0060.03612.00
5.4.40.0080.03411.99
5.4.30.0080.03411.99
5.4.20.0060.03511.99
5.4.10.0090.03211.99
5.4.00.0070.03511.48
5.3.290.0080.04812.80
5.3.280.0040.03912.71
5.3.270.0060.03912.72
5.3.260.0040.04312.72
5.3.250.0050.03712.72
5.3.240.0050.04512.72
5.3.230.0060.03812.71
5.3.220.0080.03812.68
5.3.210.0090.03912.68
5.3.200.0070.03512.68
5.3.190.0050.03912.68
5.3.180.0050.03712.67
5.3.170.0050.03712.66
5.3.160.0060.04012.67
5.3.150.0060.03612.67
5.3.140.0090.03712.66
5.3.130.0080.04112.66
5.3.120.0050.03912.66
5.3.110.0050.03912.65
5.3.100.0040.03812.12
5.3.90.0040.03812.09
5.3.80.0080.03412.08
5.3.70.0060.03512.09
5.3.60.0050.03612.07
5.3.50.0060.03712.02
5.3.40.0060.03512.02
5.3.30.0050.03711.97
5.3.20.0090.03111.75
5.3.10.0070.03311.72
5.3.00.0080.03611.71
5.2.170.0070.0279.21
5.2.160.0040.0299.21
5.2.150.0050.0309.21
5.2.140.0040.0319.21
5.2.130.0040.0299.17
5.2.120.0060.0269.17
5.2.110.0030.0309.18
5.2.100.0020.0319.16
5.2.90.0060.0279.16
5.2.80.0060.0289.16
5.2.70.0060.0349.16
5.2.60.0060.0279.12
5.2.50.0050.0289.09
5.2.40.0060.0269.07
5.2.30.0070.0349.04
5.2.20.0030.0309.02
5.2.10.0080.0428.93
5.2.00.0020.0388.79
5.1.60.0040.0258.08
5.1.50.0060.0228.08
5.1.40.0050.0238.05
5.1.30.0030.0278.40
5.1.20.0060.0258.43
5.1.10.0030.0268.16
5.1.00.0080.0218.15
5.0.50.0040.0246.63
5.0.40.0040.0186.49
5.0.30.0030.0316.31
5.0.20.0010.0216.27
5.0.10.0030.0206.25
5.0.00.0050.0336.24
4.4.90.0010.0174.78
4.4.80.0020.0164.75
4.4.70.0040.0154.75
4.4.60.0030.0154.76
4.4.50.0030.0154.77
4.4.40.0050.0224.71
4.4.30.0040.0134.76
4.4.20.0020.0194.84
4.4.10.0040.0174.85
4.4.00.0010.0254.76
4.3.110.0030.0234.67
4.3.100.0030.0264.66
4.3.90.0030.0204.64
4.3.80.0070.0204.59
4.3.70.0030.0134.63
4.3.60.0040.0204.62
4.3.50.0030.0184.63
4.3.40.0020.0244.54
4.3.30.0040.0143.30
4.3.20.0020.0153.28
4.3.10.0030.0153.23
4.3.00.0170.02015.88

preferences:
50.59 ms | 401 KiB | 5 Q