3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo { function test1($input) { return strlen($input); } function test2($input) { return strlen($input); } var_dump(test1("test")); // int(4) // Simulate require eval('namespace Foo { function strlen($input) { return 42; }}'); var_dump(test2("test")); // int(42) var_dump(test1("test")); // int(4) }

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)
8.3.60.0040.01116.50
8.3.50.0080.00717.44
8.3.40.0070.00718.61
8.3.30.0070.00718.68
8.3.20.0080.00018.70
8.3.10.0040.00420.41
8.3.00.0040.00419.13
8.2.180.0070.00718.17
8.2.170.0030.01618.81
8.2.160.0070.00722.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.23
8.2.110.0030.00621.06
8.2.100.0040.00817.72
8.2.90.0000.00920.96
8.2.80.0040.00417.93
8.2.70.0030.00517.36
8.2.60.0000.00817.93
8.2.50.0090.00018.07
8.2.40.0000.00818.09
8.2.30.0000.01017.93
8.2.20.0090.00017.56
8.2.10.0000.00717.63
8.2.00.0040.00417.50
8.1.280.0100.01025.92
8.1.270.0040.00424.66
8.1.260.0030.01226.35
8.1.250.0050.00328.09
8.1.240.0000.00920.62
8.1.230.0090.00320.91
8.1.220.0040.00417.74
8.1.210.0030.00518.88
8.1.200.0090.00017.23
8.1.190.0000.00817.39
8.1.180.0060.00318.10
8.1.170.0080.00018.88
8.1.160.0000.00718.83
8.1.150.0000.00718.58
8.1.140.0040.00417.45
8.1.130.0070.00017.77
8.1.120.0000.00717.45
8.1.110.0000.00717.21
8.1.100.0040.00417.42
8.1.90.0000.00717.48
8.1.80.0070.00017.45
8.1.70.0030.00317.29
8.1.60.0030.00617.46
8.1.50.0060.00417.39
8.1.40.0070.00417.36
8.1.30.0070.00317.51
8.1.20.0010.00817.51
8.1.10.0030.00517.42
8.1.00.0100.00117.33
8.0.300.0000.00919.98
8.0.290.0040.00416.63
8.0.280.0070.00018.47
8.0.270.0000.00716.71
8.0.260.0030.00316.93
8.0.250.0020.00516.87
8.0.240.0030.00316.96
8.0.230.0000.00716.84
8.0.220.0030.00316.95
8.0.210.0070.00016.89
8.0.200.0000.00616.98
8.0.190.0000.00717.00
8.0.180.0090.00216.82
8.0.170.0060.00616.85
8.0.160.0040.00516.84
8.0.150.0050.00616.74
8.0.140.0120.00216.84
8.0.130.0060.00414.95
8.0.120.0090.00416.84
8.0.110.0070.00416.79
8.0.100.0080.00316.89
8.0.90.0050.00516.92
8.0.80.0100.00616.84
8.0.70.0080.00416.72
8.0.60.0120.00216.84
8.0.50.0080.00516.80
8.0.30.0130.00716.93
8.0.20.0080.01416.92
8.0.10.0110.00416.91
8.0.00.0100.00716.79
7.4.330.0050.00012.98
7.4.320.0030.00716.65
7.4.300.0040.00416.64
7.4.290.0040.00416.63
7.4.280.0060.00816.54
7.4.270.0030.00516.45
7.4.260.0030.00614.88
7.4.250.0100.00516.42
7.4.240.0070.00516.51
7.4.230.0150.00116.48
7.4.220.0070.00616.54
7.4.210.0050.00816.55
7.4.200.0110.00216.44
7.4.190.0090.00416.58
7.4.180.0140.00516.56
7.4.160.0140.00416.56
7.4.150.0120.00616.44
7.4.140.0110.01016.46
7.4.130.0140.00416.43
7.4.120.0140.00416.40
7.4.110.0130.00616.34
7.4.100.0150.00416.51
7.4.90.0100.01016.48
7.4.80.0160.00617.84
7.4.70.0140.00616.46
7.4.60.0130.00516.38
7.4.50.0050.00316.16
7.4.40.0000.01116.29
7.4.30.0090.00616.47
7.4.20.0030.00516.40
7.4.10.0070.00416.44
7.4.00.0080.00615.58
7.3.330.0110.00214.64
7.3.320.0120.00014.57
7.3.310.0100.00316.16
7.3.300.0100.00316.24
7.3.290.0080.01116.22
7.3.280.0110.00516.25
7.3.270.0170.00316.23
7.3.260.0110.00716.18
7.3.250.0140.00516.43
7.3.240.0100.00816.31
7.3.230.0110.01016.42
7.3.220.0140.00516.16
7.3.210.0070.01216.08
7.3.200.0150.00616.27
7.3.190.0130.00416.21
7.3.180.0120.00616.37
7.3.170.0140.00316.33
7.3.160.0160.00216.27
7.3.150.0120.00816.03
7.3.140.0180.00416.00
7.3.130.0160.00416.06
7.3.120.0070.01115.48
7.3.110.0080.01216.06
7.3.100.0200.00016.15
7.3.90.0190.00016.53
7.3.80.0150.00416.20
7.3.70.0110.00916.18
7.3.60.0160.00316.15
7.3.50.0190.00416.37
7.3.40.0120.00616.43
7.3.30.0130.00516.26
7.3.20.0190.00018.23
7.3.10.0090.00717.06
7.3.00.0110.00317.14
7.2.340.0100.00916.30
7.2.330.0130.00616.32
7.2.320.0110.01016.47
7.2.310.0140.00616.42
7.2.300.0120.00616.28
7.2.290.0130.00616.45
7.2.280.0160.00316.20
7.2.270.0130.00616.16
7.2.260.0200.00016.17
7.2.250.0140.00516.17
7.2.240.0150.00516.32
7.2.230.0190.00016.36
7.2.220.0180.00616.34
7.2.210.0120.00616.30
7.2.200.0190.00216.41
7.2.190.0160.00316.33
7.2.180.0190.00016.35
7.2.170.0070.01116.53
7.2.160.0160.00316.54
7.2.150.0140.00618.20
7.2.140.0150.00518.25
7.2.130.0070.00917.45
7.2.120.0070.01117.23
7.2.110.0090.00817.32
7.2.100.0100.00617.37
7.2.90.0090.00717.36
7.2.80.0100.00617.38
7.2.70.0100.00717.35
7.2.60.0100.00617.19
7.2.50.0110.00717.29
7.2.40.0060.00717.29
7.2.30.0120.00317.42
7.2.20.0110.00417.29
7.2.10.0090.00617.29
7.2.00.0100.00517.78
7.1.330.0110.00717.21
7.1.320.0090.00917.41
7.1.310.0100.00717.13
7.1.300.0140.00417.28
7.1.290.0110.00717.38
7.1.280.0090.00917.07
7.1.270.0190.00017.14
7.1.260.0120.00517.24
7.1.250.0090.00716.10
7.1.240.0060.01016.50
7.1.230.0120.00516.53
7.1.220.0090.00616.37
7.1.210.0060.00916.50
7.1.200.0070.00416.24
7.1.190.0060.01016.39
7.1.180.0110.00516.49
7.1.170.0090.00616.50
7.1.160.0140.00216.52
7.1.150.0080.00816.51
7.1.140.0090.00816.32
7.1.130.0130.00616.37
7.1.120.0100.00716.50
7.1.110.0100.00616.42
7.1.100.0100.00417.08
7.1.90.0080.00916.42
7.1.80.0110.00316.47
7.1.70.0050.00816.65
7.1.60.0100.01017.45
7.1.50.0120.00716.60
7.1.40.0110.00516.59
7.1.30.0110.00516.48
7.1.20.0120.00316.32
7.1.10.0110.00816.31
7.1.00.0100.02418.35
7.0.330.0100.00316.24
7.0.320.0130.00515.99
7.0.310.0090.00616.19
7.0.300.0080.00616.17
7.0.290.0120.00316.03
7.0.280.0160.00216.11
7.0.270.0090.00815.96
7.0.260.0080.00715.99
7.0.250.0090.00516.28
7.0.240.0100.00316.05
7.0.230.0110.00616.16
7.0.220.0080.00516.06
7.0.210.0120.00216.07
7.0.200.0180.00615.75
7.0.190.0080.00516.25
7.0.180.0130.00216.15
7.0.170.0130.00316.00
7.0.160.0130.00516.16
7.0.150.0090.00516.11
7.0.140.0070.03018.06
7.0.130.0110.00215.98
7.0.120.0030.03218.07
7.0.110.0140.00316.22
7.0.100.0120.00316.02
7.0.90.0090.00916.03
7.0.80.0100.00715.97
7.0.70.0120.00716.24
7.0.60.0090.03017.41
7.0.50.0120.02716.75
7.0.40.0100.02716.92
7.0.30.0170.01616.87
7.0.20.0120.02016.78
7.0.10.0090.01916.93
7.0.00.0110.02616.78
5.6.400.0210.00015.52
5.6.390.0180.00315.63
5.6.380.0140.00114.88
5.6.370.0110.00414.98
5.6.360.0100.00814.79
5.6.350.0150.00514.92
5.6.340.0110.00614.92
5.6.330.0120.00615.06
5.6.320.0110.00614.64
5.6.310.0110.00514.82
5.6.300.0130.00514.55
5.6.290.0140.00315.06
5.6.280.0090.02616.90
5.6.270.0120.00514.85
5.6.260.0120.00414.78
5.6.250.0090.00714.87
5.6.240.0130.00514.78
5.6.230.0080.00614.91
5.6.220.0110.00714.95
5.6.210.0110.01416.83
5.6.200.0110.03316.11
5.6.190.0060.03316.80
5.6.180.0170.01516.74
5.6.170.0160.02216.79
5.6.160.0110.03116.80
5.6.150.0100.02916.02
5.6.140.0080.01615.99
5.6.130.0080.03316.06
5.6.120.0130.02917.04
5.6.110.0090.03216.77
5.6.100.0130.02416.93
5.6.90.0130.01816.84
5.6.80.0160.02816.76
5.6.70.1330.01916.82
5.6.60.0120.00414.95
5.6.50.0100.00514.96
5.6.40.0090.00414.86
5.6.30.0120.00414.70
5.6.20.0130.00514.86
5.6.10.0080.00514.95
5.6.00.0080.00714.96
5.5.380.0110.00213.41
5.5.370.0090.00313.36
5.5.360.0100.00313.10
5.5.350.0140.02015.56
5.5.340.0080.02914.72
5.5.330.0070.01715.69
5.5.320.0170.01715.48
5.5.310.0160.01715.67
5.5.300.0070.01414.77
5.5.290.0050.02914.76
5.5.280.0050.01915.78
5.5.270.0060.03315.79
5.5.260.0140.02615.59
5.5.250.0100.02015.69
5.5.240.0160.02715.63
5.5.230.0050.00613.18
5.5.220.0070.00413.19
5.5.210.0070.00513.34
5.5.200.0100.00113.26
5.5.190.0070.00412.88
5.5.180.0080.00712.97
5.5.170.0120.00313.26
5.5.160.0060.00813.13
5.5.150.0060.00913.16
5.5.140.0070.00513.19
5.5.130.0090.00513.07
5.5.120.0120.00413.03
5.5.110.0100.00313.09
5.5.100.0100.00613.19
5.5.90.0140.00413.16
5.5.80.0130.00413.24
5.5.70.0130.00313.15
5.5.60.0090.00413.11
5.5.50.0110.00213.37
5.5.40.0160.00213.13
5.5.30.0060.00813.22
5.5.20.0090.00313.17
5.5.10.0130.00313.34
5.5.00.0080.00713.04
5.4.450.0060.02014.24
5.4.440.0060.02014.36
5.4.430.0040.02414.23
5.4.420.0060.02614.43
5.4.410.0080.01614.31
5.4.400.0080.02214.20
5.4.390.0050.01714.08
5.4.380.0060.01714.14
5.4.370.0080.03014.17
5.4.360.0070.02614.02
5.4.350.0070.01814.19
5.4.340.0080.02014.15
5.4.330.0080.00511.63
5.4.320.0050.01514.29
5.4.310.0050.02614.07
5.4.300.0090.01614.36
5.4.290.0070.02814.16
5.4.280.0060.01914.06
5.4.270.0080.02614.03
5.4.260.0080.02314.06
5.4.250.0090.02714.17
5.4.240.0060.03114.16
5.4.230.0070.02314.01
5.4.220.0040.02013.97
5.4.210.0060.02914.14
5.4.200.0110.01914.09
5.4.190.0060.02014.01
5.4.180.0040.03214.12
5.4.170.0100.02914.11
5.4.160.0080.02114.13
5.4.150.0080.03214.19
5.4.140.0090.02913.43
5.4.130.0110.02313.46
5.4.120.0070.02813.34
5.4.110.0040.02313.43
5.4.100.0070.02713.31
5.4.90.0040.01913.35
5.4.80.0110.02413.31
5.4.70.0110.02313.38
5.4.60.0100.02413.36
5.4.50.0110.02413.17
5.4.40.0120.01613.25
5.4.30.0080.02813.30
5.4.20.0100.02413.38
5.4.10.0150.02313.42
5.4.00.0110.01213.01
5.3.290.0110.01412.83
5.3.280.0090.01612.58
5.3.270.0090.02112.67
5.3.260.0090.02612.81
5.3.250.0070.02612.55
5.3.240.0120.02612.54
5.3.230.0130.01412.60
5.3.220.0090.02612.49
5.3.210.0090.02412.48
5.3.200.0080.02112.49
5.3.190.0110.02712.70
5.3.180.0140.02512.75
5.3.170.0080.02912.82
5.3.160.0090.02612.73
5.3.150.0120.02312.82
5.3.140.0100.02212.53
5.3.130.0040.02012.63
5.3.120.0070.03212.75
5.3.110.0130.02512.61
5.3.100.0070.02412.40
5.3.90.0080.02512.53
5.3.80.0110.02112.29
5.3.70.0110.02112.34
5.3.60.0070.01712.51
5.3.50.0130.02212.40
5.3.40.0080.02712.47
5.3.30.0090.01412.49
5.3.20.0080.01812.46
5.3.10.0100.01312.17
5.3.00.0070.02712.15

preferences:
49.2 ms | 401 KiB | 5 Q