3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mytest(){ return 1==1; if (1==1) { # code... return '测试'; } echo '测试'; } function test2(){ echo mytest(); return 'test'; //return 'test888'; } // echo mytest(); echo test2();

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)
8.3.60.0120.00318.48
8.3.50.0110.00922.03
8.3.40.0060.01218.29
8.3.30.0120.00918.97
8.3.20.0050.00220.16
8.3.10.0070.00418.67
8.3.00.0040.00419.25
8.2.180.0090.00616.63
8.2.170.0090.00622.96
8.2.160.0070.00720.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.12
8.2.110.0040.00719.29
8.2.100.0040.00817.59
8.2.90.0050.00319.05
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0000.00917.91
8.2.50.0050.00318.07
8.2.40.0040.00418.09
8.2.30.0000.00819.43
8.2.20.0050.00217.66
8.2.10.0070.00018.01
8.2.00.0040.00417.50
8.1.280.0060.01225.92
8.1.270.0090.00023.64
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00321.30
8.1.230.0110.00017.42
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0050.00316.98
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0000.00721.90
8.1.150.0040.00418.80
8.1.140.0040.00417.37
8.1.130.0000.00717.79
8.1.120.0000.00717.25
8.1.110.0040.00417.21
8.1.100.0000.00717.34
8.1.90.0070.00017.36
8.1.80.0000.00717.40
8.1.70.0030.00317.30
8.1.60.0060.00617.50
8.1.50.0000.00817.36
8.1.40.0040.00417.47
8.1.30.0080.00017.62
8.1.20.0040.00417.59
8.1.10.0100.00017.36
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0060.00316.58
8.0.280.0030.00318.41
8.0.270.0040.00417.13
8.0.260.0060.00017.21
8.0.250.0000.00716.79
8.0.240.0030.00316.79
8.0.230.0000.00816.81
8.0.220.0040.00416.66
8.0.210.0000.00716.80
8.0.200.0030.00316.83
8.0.190.0000.00816.86
8.0.180.0040.00416.70
8.0.170.0080.00016.82
8.0.160.0000.00716.76
8.0.150.0000.00716.78
8.0.140.0000.00816.75
8.0.130.0030.00313.17
8.0.120.0040.00416.81
8.0.110.0000.00716.65
8.0.100.0040.00416.83
8.0.90.0040.00416.71
8.0.80.0090.00616.68
8.0.70.0070.00016.72
8.0.60.0020.00516.80
8.0.50.0070.00016.54
8.0.30.0110.01117.15
8.0.20.0130.00617.40
8.0.10.0000.00716.73
8.0.00.0130.01116.87
7.4.330.0000.00515.00
7.4.320.0000.00616.32
7.4.300.0000.00616.43
7.4.290.0060.00316.35
7.4.280.0090.00016.34
7.4.270.0030.00316.44
7.4.260.0050.00216.43
7.4.250.0000.00716.34
7.4.240.0020.00516.40
7.4.230.0040.00416.34
7.4.220.0040.01216.39
7.4.210.0110.00716.50
7.4.200.0040.00416.43
7.4.160.0060.01016.23
7.4.150.0070.01017.40
7.4.140.0110.00717.86
7.4.130.0050.01216.44
7.4.120.0140.00216.45
7.4.110.0100.01016.39
7.4.100.0060.01616.50
7.4.90.0060.01716.29
7.4.80.0090.01319.39
7.4.70.0090.01216.41
7.4.60.0150.00616.32
7.4.50.0040.00416.41
7.4.40.0130.00316.14
7.4.30.0110.00416.53
7.4.00.0060.01214.86
7.3.330.0000.00513.18
7.3.320.0050.00013.30
7.3.310.0000.00716.25
7.3.300.0030.00316.05
7.3.290.0060.00916.24
7.3.280.0050.01016.24
7.3.270.0060.01217.40
7.3.260.0160.00016.44
7.3.250.0120.00716.51
7.3.240.0120.00816.35
7.3.230.0100.00616.39
7.3.210.0100.01416.22
7.3.200.0130.00719.39
7.3.190.0060.01316.27
7.3.180.0150.00716.51
7.3.170.0130.00316.49
7.3.160.0090.00616.36
7.3.120.0100.01014.89
7.3.110.0040.01214.89
7.3.100.0030.01014.79
7.3.90.0030.00614.84
7.3.80.0030.01014.65
7.3.70.0100.00014.85
7.3.60.0040.01114.58
7.3.50.0120.00014.78
7.3.40.0120.00014.86
7.3.30.0070.00314.82
7.3.20.0070.00416.63
7.3.10.0070.01016.69
7.3.00.0030.01216.54
7.2.330.0090.00916.59
7.2.320.0060.01016.39
7.2.310.0040.01416.69
7.2.300.0000.01616.58
7.2.290.0030.02016.17
7.2.250.0100.00314.77
7.2.240.0090.01214.71
7.2.230.0030.01214.44
7.2.220.0040.01115.08
7.2.210.0040.00415.10
7.2.200.0000.00915.08
7.2.190.0070.00715.06
7.2.180.0070.01114.90
7.2.170.0060.00615.05
7.2.60.0110.00416.82
7.2.00.0100.00518.97
7.1.330.0070.00715.89
7.1.320.0070.00715.64
7.1.310.0070.00715.70
7.1.300.0030.01315.61
7.1.290.0070.00715.63
7.1.280.0050.00515.71
7.1.270.0070.00715.58
7.1.260.0050.00515.66
7.1.200.0040.01115.71
7.1.100.0000.00818.00
7.1.70.0030.01016.80
7.1.60.0100.01419.61
7.1.50.0000.01616.74
7.1.00.0030.07322.36
7.0.200.0000.01016.70
7.0.140.0070.07021.95
7.0.60.0100.08319.93
7.0.50.0030.04717.87
7.0.40.0030.04320.09
7.0.30.0170.06720.12
7.0.20.0170.06020.15
7.0.10.0070.04320.26
7.0.00.0170.06020.09
5.6.280.0070.06320.89
5.6.210.0000.04320.75
5.6.200.0130.07718.18
5.6.190.0130.08020.47
5.6.180.0230.04320.48
5.6.170.0130.05320.50
5.6.160.0170.06720.54
5.6.150.0130.07018.19
5.6.140.0070.03718.24
5.6.130.0130.04318.19
5.6.120.0070.08321.04
5.6.110.0170.07720.98
5.6.100.0200.05320.98
5.6.90.0070.07021.04
5.6.80.0100.04720.53
5.5.350.0170.05020.43
5.5.340.0000.08318.09
5.5.330.0030.09020.41
5.5.320.0070.08320.35
5.5.310.0270.08020.34
5.5.300.0000.05318.07
5.5.290.0130.07717.98
5.5.280.0130.07720.85
5.5.270.0170.07320.88
5.5.260.0070.04020.68
5.5.250.0130.07320.54
5.5.240.0030.07320.26
5.4.450.0200.06319.61
5.4.440.0830.06719.48
5.4.430.0230.06019.48
5.4.420.0130.06719.57
5.4.410.0130.05319.05
5.4.400.0170.05719.26
5.4.390.0130.06319.15
5.4.380.0430.05318.56
5.4.370.0330.04718.56
5.4.360.0300.05318.78
5.4.350.0330.05718.71
5.4.340.0230.07318.74
5.4.320.0140.04512.51
5.4.310.0090.03612.50
5.4.300.0060.03712.51
5.4.290.0070.04412.50
5.4.280.0070.03812.39
5.4.270.0090.04312.39
5.4.260.0060.04212.40
5.4.250.0060.04012.40
5.4.240.0080.04312.40
5.4.230.0060.04912.39
5.4.220.0090.03312.39
5.4.210.0060.03712.39
5.4.200.0050.03812.39
5.4.190.0070.03412.39
5.4.180.0060.03612.39
5.4.170.0090.03412.39
5.4.160.0100.03712.39
5.4.150.0080.04112.39
5.4.140.0100.04412.07
5.4.130.0070.04012.06
5.4.120.0100.03612.02
5.4.110.0090.04212.01
5.4.100.0080.03612.01
5.4.90.0090.03912.01
5.4.80.0080.03812.01
5.4.70.0050.04012.01
5.4.60.0090.03112.01
5.4.50.0090.03512.01
5.4.40.0050.04012.00
5.4.30.0090.04411.99
5.4.20.0030.04112.00
5.4.10.0070.03811.99
5.4.00.0050.03711.48
5.3.290.0110.04012.80
5.3.280.0110.04512.71
5.3.270.0110.04312.72
5.3.260.0100.04012.72
5.3.250.0080.04312.72
5.3.240.0090.04312.72
5.3.230.0060.04312.71
5.3.220.0070.04512.68
5.3.210.0080.04212.68
5.3.200.0130.03712.68
5.3.190.0040.04112.68
5.3.180.0110.04112.67
5.3.170.0050.04412.67
5.3.160.0070.03812.68
5.3.150.0120.03612.67
5.3.140.0080.03812.66
5.3.130.0040.04112.66
5.3.120.0100.04112.66
5.3.110.0090.03712.66
5.3.100.0060.03712.12
5.3.90.0070.04112.10
5.3.80.0080.04412.09
5.3.70.0130.03512.09
5.3.60.0050.04012.08
5.3.50.0110.03512.02
5.3.40.0080.04412.02
5.3.30.0050.04211.98
5.3.20.0060.03811.76
5.3.10.0090.03911.73
5.3.00.0080.03511.72
5.2.170.0070.0289.21
5.2.160.0060.0369.21
5.2.150.0070.0329.21
5.2.140.0080.0339.21
5.2.130.0070.0359.17
5.2.120.0070.0269.17
5.2.110.0060.0309.18
5.2.100.0050.0319.18
5.2.90.0060.0289.18
5.2.80.0040.0319.17
5.2.70.0050.0399.17
5.2.60.0050.0319.13
5.2.50.0060.0369.09
5.2.40.0030.0329.07
5.2.30.0060.0299.04
5.2.20.0120.0269.04
5.2.10.0040.0348.94
5.2.00.0050.0298.80
5.1.60.0040.0348.08
5.1.50.0050.0318.08
5.1.40.0050.0248.06
5.1.30.0080.0298.41
5.1.20.0080.0288.43
5.1.10.0090.0278.16
5.1.00.0050.0248.16
5.0.50.0100.0216.64
5.0.40.0070.0246.50
5.0.30.0040.0296.31
5.0.20.0040.0226.28
5.0.10.0040.0276.26
5.0.00.0040.0386.25
4.4.90.0030.0184.78
4.4.80.0050.0224.75
4.4.70.0010.0174.76
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0050.0274.71
4.4.30.0020.0214.76
4.4.20.0030.0194.85
4.4.10.0050.0184.85
4.4.00.0020.0274.76
4.3.110.0040.0164.67
4.3.100.0030.0184.67
4.3.90.0020.0184.63
4.3.80.0010.0354.59
4.3.70.0040.0214.63
4.3.60.0060.0234.62
4.3.50.0030.0154.62
4.3.40.0040.0234.54
4.3.30.0020.0183.30
4.3.20.0010.0183.28
4.3.10.0020.0223.25
4.3.00.0030.0237.89

preferences:
41.06 ms | 401 KiB | 5 Q