3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace namespacename { class classname { function __construct() { echo __METHOD__,"\n"; } } function funcname() { echo __FUNCTION__,"\n"; } const constname = "namespaced"; } /////////////////////////// namespace { class classname { function __construct() { echo __METHOD__,"\n"; } } function funcname() { echo __FUNCTION__,"\n"; } const constname = "global"; $a = 'classname'; $obj = new $a; // prints classname::__construct $b = 'funcname'; $b(); // prints funcname echo constant('constname'), "\n"; // prints global //////////////////////////// /* note that if using double quotes, "\\namespacename\\classname" must be used */ $a = '\namespacename\classname'; $obj = new $a; // prints namespacename\classname::__construct $a = 'namespacename\classname'; $obj = new $a; // also prints namespacename\classname::__construct $b = 'namespacename\funcname'; $b(); // prints namespacename\funcname $b = '\namespacename\funcname'; $b(); // also prints namespacename\funcname echo constant('\namespacename\constname'), "\n"; // prints namespaced echo constant('namespacename\constname'), "\n"; // also prints namespaced } ?>

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)
8.3.60.0090.00618.56
8.3.50.0140.00321.14
8.3.40.0070.00718.84
8.3.30.0030.01020.16
8.3.20.0000.00820.39
8.3.10.0080.00021.96
8.3.00.0000.00722.45
8.2.180.0100.01016.38
8.2.170.0040.01122.96
8.2.160.0030.01020.39
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0080.00020.79
8.2.110.0050.00519.27
8.2.100.0090.00317.78
8.2.90.0040.00419.18
8.2.80.0070.00019.21
8.2.70.0000.00817.61
8.2.60.0060.00318.04
8.2.50.0060.00318.07
8.2.40.0060.00318.15
8.2.30.0040.00419.34
8.2.20.0040.00417.69
8.2.10.0050.00317.77
8.2.00.0000.00917.68
8.1.280.0140.00025.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.54
8.1.230.0080.00420.89
8.1.220.0030.00518.77
8.1.210.0030.00619.12
8.1.200.0080.00417.23
8.1.190.0050.00317.48
8.1.180.0000.00818.10
8.1.170.0000.00818.50
8.1.160.0000.00818.93
8.1.150.0080.00018.54
8.1.140.0050.00217.47
8.1.130.0000.00717.80
8.1.120.0070.00417.41
8.1.110.0000.00717.30
8.1.100.0000.00717.37
8.1.90.0000.00717.50
8.1.80.0020.00517.38
8.1.70.0030.00317.46
8.1.60.0060.00317.64
8.1.50.0040.00417.56
8.1.40.0080.00017.57
8.1.30.0070.00017.55
8.1.20.0040.00417.57
8.1.10.0000.00717.54
8.1.00.0040.00417.45
8.0.300.0000.00720.03
8.0.290.0000.00717.15
8.0.280.0000.00718.42
8.0.270.0000.00816.84
8.0.260.0030.00316.76
8.0.250.0030.00716.94
8.0.240.0040.00716.91
8.0.230.0070.00016.88
8.0.220.0000.00616.81
8.0.210.0030.00316.88
8.0.200.0000.00616.97
8.0.190.0030.00316.89
8.0.180.0080.00016.93
8.0.170.0080.00017.00
8.0.160.0030.00316.88
8.0.150.0030.00316.85
8.0.140.0030.00716.84
8.0.130.0000.00613.32
8.0.120.0000.00716.91
8.0.110.0000.00816.88
8.0.100.0040.00416.82
8.0.90.0070.00016.77
8.0.80.0090.00616.96
8.0.70.0000.00716.95
8.0.60.0040.00416.78
8.0.50.0040.00416.95
8.0.30.0100.00917.19
8.0.20.0150.00317.40
8.0.10.0040.00416.90
8.0.00.0060.01316.86
7.4.330.0050.00016.78
7.4.320.0070.00016.60
7.4.300.0060.00016.54
7.4.290.0030.00316.45
7.4.280.0070.00016.44
7.4.270.0030.00316.65
7.4.260.0060.00013.31
7.4.250.0000.00816.59
7.4.240.0030.00416.52
7.4.230.0040.00416.63
7.4.220.0120.00616.65
7.4.210.0090.00816.52
7.4.200.0000.00816.70
7.4.190.0000.00716.71
7.4.160.0120.00616.50
7.4.150.0120.00617.40
7.4.140.0090.00717.86
7.4.130.0060.01216.52
7.4.120.0110.00816.54
7.4.110.0100.01016.36
7.4.100.0100.01016.49
7.4.90.0200.00316.49
7.4.80.0160.00319.39
7.4.70.0090.00616.61
7.4.60.0100.00716.40
7.4.50.0050.00016.50
7.4.40.0100.00322.77
7.4.30.0140.00416.46
7.4.10.0080.01014.91
7.4.00.0070.00914.84
7.3.330.0000.00713.18
7.3.320.0050.00013.13
7.3.310.0030.00516.25
7.3.300.0030.00316.33
7.3.290.0110.00416.38
7.3.280.0070.01216.39
7.3.270.0040.01317.40
7.3.260.0110.01416.39
7.3.250.0120.00616.37
7.3.240.0100.01016.38
7.3.230.0130.00516.39
7.3.210.0080.00816.42
7.3.200.0060.01619.39
7.3.190.0070.01016.30
7.3.180.0120.01216.60
7.3.170.0040.01116.27
7.3.160.0180.00016.40
7.3.130.0070.01214.89
7.3.120.0080.01014.87
7.3.110.0080.01014.88
7.3.100.0080.00514.77
7.3.90.0050.00715.04
7.3.80.0040.00715.05
7.3.70.0070.00814.99
7.3.60.0070.00514.87
7.3.50.0090.00114.56
7.3.40.0070.00714.80
7.3.30.0060.00814.65
7.3.20.0060.00816.72
7.3.10.0060.00616.74
7.3.00.0040.00816.74
7.2.330.0060.01116.83
7.2.320.0140.00316.44
7.2.310.0100.01016.43
7.2.300.0150.00316.77
7.2.290.0030.01516.45
7.2.260.0080.01215.14
7.2.250.0080.01115.07
7.2.240.0090.00514.81
7.2.230.0020.01315.17
7.2.220.0100.00715.07
7.2.210.0050.00414.92
7.2.200.0080.00315.15
7.2.190.0080.00714.87
7.2.180.0090.00515.13
7.2.170.0040.00715.09
7.2.160.0060.00615.11
7.2.150.0090.00516.95
7.2.140.0030.00816.89
7.2.130.0050.00716.76
7.2.120.0090.00716.85
7.2.110.0050.01016.88
7.2.100.0030.01017.00
7.2.90.0050.00716.94
7.2.80.0070.00716.92
7.2.70.0080.00516.96
7.2.60.0030.01116.88
7.2.50.0060.00717.01
7.2.40.0050.01016.88
7.2.30.0090.00516.91
7.2.20.0050.00917.03
7.2.10.0050.00916.88
7.2.00.0050.01017.60
7.1.330.0030.01115.71
7.1.320.0060.00915.87
7.1.310.0100.00315.84
7.1.300.0060.00515.85
7.1.290.0030.01115.62
7.1.280.0080.00315.77
7.1.270.0040.00915.69
7.1.260.0060.00615.65
7.1.250.0030.00815.69
7.1.240.0050.00915.70
7.1.230.0020.00715.82
7.1.220.0040.01015.63
7.1.210.0050.00615.76
7.1.200.0070.00615.66
7.1.190.0020.01015.70
7.1.180.0050.00615.69
7.1.170.0040.00715.66
7.1.160.0090.00315.63
7.1.150.0030.01015.63
7.1.140.0070.00615.73
7.1.130.0030.00815.68
7.1.120.0020.00915.73
7.1.110.0030.00915.61
7.1.100.0050.00716.27
7.1.90.0050.00715.76
7.1.80.0020.01015.70
7.1.70.0030.00815.99
7.1.60.0120.00516.57
7.1.50.0100.01120.46
7.1.40.0060.00715.66
7.1.30.0050.00715.75
7.1.20.0050.00715.67
7.1.10.0040.01015.65
7.1.00.0060.01317.32
7.0.330.0020.01015.33
7.0.320.0040.00915.29
7.0.310.0050.00815.33
7.0.300.0080.00415.26
7.0.290.0080.00415.31
7.0.280.0060.00415.05
7.0.270.0010.01215.37
7.0.260.0060.00515.26
7.0.250.0050.00615.21
7.0.240.0050.00615.35
7.0.230.0060.00615.41
7.0.220.0040.00815.36
7.0.210.0090.00715.31
7.0.200.0230.00715.23
7.0.190.0030.00715.43
7.0.180.0040.00915.19
7.0.170.0040.00615.45
7.0.160.0050.00815.39
7.0.150.0030.01015.14
7.0.140.0070.02117.04
7.0.130.0050.00915.34
7.0.120.0070.00515.36
7.0.110.0050.02816.51
7.0.100.0070.02416.53
7.0.90.0050.01716.49
7.0.80.0080.02216.47
7.0.70.0070.01616.44
7.0.60.0050.02516.45
7.0.50.0080.02216.62
7.0.40.0070.02515.09
7.0.30.0100.02315.02
7.0.20.0030.02715.11
7.0.10.0040.02615.04
7.0.00.0060.02514.98
5.6.400.0060.00614.36
5.6.390.0050.01014.11
5.6.380.0060.00514.24
5.6.370.0090.00714.36
5.6.360.0040.00814.33
5.6.350.0060.00614.30
5.6.340.0050.00914.39
5.6.330.0030.01314.56
5.6.320.0090.00314.13
5.6.310.0050.00814.30
5.6.300.0070.00314.18
5.6.290.0080.00514.34
5.6.280.0050.02415.97
5.6.270.0090.00414.31
5.6.260.0040.00714.36
5.6.250.0040.02816.00
5.6.240.0070.02515.88
5.6.230.0090.01415.74
5.6.220.0060.02215.74
5.6.210.0050.02616.00
5.6.200.0040.02816.00
5.6.190.0070.02516.12
5.6.180.0060.02716.08
5.6.170.0060.02415.89
5.6.160.0040.03116.02
5.6.150.0080.02316.00
5.6.140.0070.02516.03
5.6.130.0070.01716.01
5.6.120.0050.01615.87
5.6.110.0060.02016.05
5.6.100.0060.01715.94
5.6.90.0020.01715.94
5.6.80.0060.01515.70
5.6.70.0040.01715.78
5.6.60.0040.01315.77
5.6.50.0050.01415.80
5.6.40.0050.02415.79
5.6.30.0080.01815.68
5.6.20.0030.01715.92
5.6.10.0030.01815.78
5.6.00.0040.01415.85
5.5.380.0060.02515.07
5.5.370.0070.02314.98
5.5.360.0020.02715.09
5.5.350.0090.01615.03
5.5.340.0080.02115.26
5.5.330.0060.02315.14
5.5.320.0070.02315.19
5.5.310.0060.02315.20
5.5.300.0030.03015.07
5.5.290.0040.01715.11
5.5.280.0070.01215.06
5.5.270.0070.02315.24
5.5.260.0060.02414.96
5.5.250.0070.01415.02
5.5.240.0040.01514.98
5.5.230.0040.01314.92
5.5.220.0030.01614.91
5.5.210.0030.01814.87
5.5.200.0070.02214.87
5.5.190.0070.01614.94
5.5.180.0050.01414.80
5.5.170.0030.00813.26
5.5.160.0030.01614.86
5.5.150.0060.01514.68
5.5.140.0030.01914.79
5.5.130.0030.01614.86
5.5.120.0040.01614.86
5.5.110.0060.01914.90
5.5.100.0070.01314.93
5.5.90.0040.02014.92
5.5.80.0040.01414.77
5.5.70.0040.01314.83
5.5.60.0030.01814.96
5.5.50.0070.01414.94
5.5.40.0020.01414.77
5.5.30.0040.01515.02
5.5.20.0050.01214.75
5.5.10.0050.01414.92
5.5.00.0070.01414.82
5.4.450.0040.01813.52
5.4.440.0060.01713.42
5.4.430.0050.02013.38
5.4.420.0030.01413.35
5.4.410.0040.01613.42
5.4.400.0030.01513.41
5.4.390.0030.01413.38
5.4.380.0030.01313.40
5.4.370.0040.01513.31
5.4.360.0030.01613.28
5.4.350.0040.02113.34
5.4.340.0030.01613.24
5.4.330.0060.00611.44
5.4.320.0040.02613.32
5.4.310.0050.01313.24
5.4.300.0040.01413.31
5.4.290.0070.01413.38
5.4.280.0040.01313.30
5.4.270.0030.01513.26
5.4.260.0030.01513.48
5.4.250.0040.01413.33
5.4.240.0080.01213.31
5.4.230.0060.01213.29
5.4.220.0040.01413.36
5.4.210.0050.01313.42
5.4.200.0030.01913.37
5.4.190.0030.01413.27
5.4.180.0020.01513.28
5.4.170.0020.01413.33
5.4.160.0050.01513.32
5.4.150.0080.01113.33
5.4.140.0050.01312.70
5.4.130.0050.01412.75
5.4.120.0020.01212.75
5.4.110.0030.01412.82
5.4.100.0030.01612.76
5.4.90.0030.02212.80
5.4.80.0030.02012.65
5.4.70.0060.02212.62
5.4.60.0040.01712.73
5.4.50.0020.01412.62
5.4.40.0060.02012.67
5.4.30.0060.01912.70
5.4.20.0040.02312.71
5.4.10.0030.01912.74
5.4.00.0060.02112.60
5.3.290.0070.01512.15
5.3.280.0010.01612.10
5.3.270.0040.01512.14
5.3.260.0050.01312.06
5.3.250.0010.01612.17
5.3.240.0020.02012.11
5.3.230.0030.01512.12
5.3.220.0050.02112.11
5.3.210.0040.01212.11
5.3.200.0020.01312.15
5.3.190.0040.02312.10
5.3.180.0040.01612.16
5.3.170.0040.02312.14
5.3.160.0040.02312.12
5.3.150.0050.02112.13
5.3.140.0050.02312.07
5.3.130.0040.02212.05
5.3.120.0040.02212.05
5.3.110.0050.02112.08
5.3.100.0030.01811.96
5.3.90.0060.02012.01
5.3.80.0030.02111.97
5.3.70.0020.02711.93
5.3.60.0050.02111.96
5.3.50.0030.02111.94
5.3.40.0060.01311.94
5.3.30.0020.02511.93
5.3.20.0030.02611.91
5.3.10.0070.01811.83
5.3.00.0060.02011.85
5.2.170.0050.03311.07
5.2.160.0070.02811.18
5.2.150.0060.03011.07
5.2.140.0030.02011.13
5.2.130.0050.03111.08
5.2.120.0030.01811.11
5.2.110.0060.03011.02
5.2.100.0020.03611.04
5.2.90.0040.02511.03
5.2.80.0100.02711.05
5.2.70.0050.03211.04
5.2.60.0000.03611.06
5.2.50.0080.03211.04
5.2.40.0030.03311.00
5.2.30.0050.01811.03
5.2.20.0050.03010.98
5.2.10.0030.02610.91
5.2.00.0000.03610.85
5.1.60.0030.01910.52
5.1.50.0080.02510.47
5.1.40.0040.01710.47
5.1.30.0020.02110.70
5.1.20.0030.03010.63
5.1.10.0020.02910.59
5.1.00.0060.01610.54
5.0.50.0000.0259.93
5.0.40.0060.0169.72
5.0.30.0020.0359.65
5.0.20.0030.0239.61
5.0.10.0020.0239.60
5.0.00.0010.0339.60
4.4.90.0050.0139.50
4.4.80.0020.0219.50
4.4.70.0020.0209.50
4.4.60.0020.0209.50
4.4.50.0040.0179.50
4.4.40.0040.0239.50
4.4.30.0000.0229.50
4.4.20.0030.0189.50
4.4.10.0000.0229.50
4.4.00.0020.0309.50
4.3.110.0000.0219.50
4.3.100.0030.0189.50
4.3.90.0070.0139.50
4.3.80.0000.0319.50
4.3.70.0050.0159.50
4.3.60.0020.0189.50
4.3.50.0030.0189.50
4.3.40.0020.0299.50
4.3.30.0000.0199.50
4.3.20.0020.0209.50
4.3.10.0030.0189.50
4.3.00.0030.0169.50

preferences:
38.39 ms | 401 KiB | 5 Q