3v4l.org

run code in 300+ PHP versions simultaneously
<?php // r() simply returns a reference to a given variable. function &r(&$v){return $v;} // Here, we have a scalar $a on which settype() fails to operate if // parentheses are involved. print "Scalar demonstration:\n"; $a = 1; // First with parentheses, then without. // v v settype( ( r($a) ) , "boolean"); var_dump($a); settype( r($a) , "boolean"); var_dump($a); // ^ ^

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)
8.3.60.0030.01018.56
8.3.50.0150.00521.97
8.3.40.0070.00718.75
8.3.30.0100.00319.09
8.3.20.0000.00720.38
8.3.10.0040.00420.53
8.3.00.0060.00319.38
8.2.180.0090.00616.63
8.2.170.0120.00322.96
8.2.160.0100.00320.39
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.05
8.2.110.0060.00320.57
8.2.100.0080.00418.03
8.2.90.0060.00319.21
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00418.03
8.2.50.0050.00518.07
8.2.40.0070.00018.29
8.2.30.0040.00419.18
8.2.20.0060.00317.61
8.2.10.0040.00418.06
8.2.00.0040.00417.55
8.1.280.0150.00325.92
8.1.270.0040.00423.91
8.1.260.0070.00026.35
8.1.250.0030.00528.09
8.1.240.0090.00018.70
8.1.230.0110.00019.09
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0040.00717.35
8.1.190.0000.00817.23
8.1.180.0020.00518.10
8.1.170.0030.00518.47
8.1.160.0040.00421.82
8.1.150.0030.00518.82
8.1.140.0000.00717.33
8.1.130.0000.00717.86
8.1.120.0000.00717.40
8.1.110.0050.00217.44
8.1.100.0000.00717.43
8.1.90.0000.00717.27
8.1.80.0030.00317.34
8.1.70.0040.00417.33
8.1.60.0050.00317.47
8.1.50.0000.00817.41
8.1.40.0000.00917.43
8.1.30.0030.00517.55
8.1.20.0000.00717.67
8.1.10.0060.00317.53
8.1.00.0090.00017.36
8.0.300.0050.00318.77
8.0.290.0000.00716.63
8.0.280.0000.00718.49
8.0.270.0070.00017.25
8.0.260.0030.00317.32
8.0.250.0030.00316.89
8.0.240.0030.00516.79
8.0.230.0030.00316.78
8.0.220.0020.00516.82
8.0.210.0000.00716.83
8.0.200.0070.00016.88
8.0.190.0070.00016.86
8.0.180.0050.00316.91
8.0.170.0080.00016.86
8.0.160.0000.00716.84
8.0.150.0040.00416.66
8.0.140.0040.00416.80
8.0.130.0050.00013.21
8.0.120.0000.00716.79
8.0.110.0000.00716.79
8.0.100.0040.00416.89
8.0.90.0040.00416.89
8.0.80.0100.01116.80
8.0.70.0050.00216.71
8.0.60.0000.00716.78
8.0.50.0000.00816.74
8.0.30.0120.01017.25
8.0.20.0080.01117.40
8.0.10.0030.00316.95
8.0.00.0140.00316.77
7.4.330.0000.00515.05
7.4.320.0000.00716.49
7.4.300.0060.00016.54
7.4.290.0000.00616.51
7.4.280.0030.00516.41
7.4.270.0070.00016.66
7.4.260.0030.00316.59
7.4.250.0000.00716.47
7.4.240.0040.00416.63
7.4.230.0000.00716.50
7.4.220.0090.01216.71
7.4.210.0110.00416.55
7.4.200.0040.00416.49
7.4.160.0140.00316.64
7.4.150.0140.00317.40
7.4.140.0110.00617.86
7.4.130.0080.00916.67
7.4.120.0080.00916.40
7.4.110.0060.01016.65
7.4.100.0170.00016.58
7.4.90.0060.01316.41
7.4.80.0120.00419.37
7.4.70.0080.00816.28
7.4.60.0100.00716.54
7.4.50.0000.00816.31
7.4.40.0120.00616.68
7.4.30.0080.00816.42
7.4.10.0090.00915.15
7.4.00.0040.01314.96
7.3.330.0000.00513.23
7.3.320.0000.00613.32
7.3.310.0070.00016.29
7.3.300.0030.00316.32
7.3.290.0060.01316.37
7.3.280.0100.00816.31
7.3.270.0070.01017.40
7.3.260.0060.01216.57
7.3.250.0080.01016.41
7.3.240.0160.00916.31
7.3.230.0110.00916.39
7.3.210.0140.00316.45
7.3.200.0060.01219.39
7.3.190.0090.00916.25
7.3.180.0080.00816.54
7.3.170.0060.01016.40
7.3.160.0070.01016.35
7.3.130.0070.01115.03
7.3.120.0120.00514.96
7.3.110.0120.00314.82
7.3.100.0020.01114.74
7.3.90.0080.00914.68
7.3.80.0110.00414.86
7.3.70.0080.00714.61
7.3.60.0070.00714.88
7.3.50.0120.00514.79
7.3.40.0050.01014.82
7.3.30.0050.00714.78
7.3.20.0030.00916.78
7.3.10.0100.00716.57
7.3.00.0130.00416.39
7.2.330.0110.00616.30
7.2.320.0080.00816.46
7.2.310.0090.01316.59
7.2.300.0060.01616.71
7.2.290.0030.01316.65
7.2.260.0060.01215.07
7.2.250.0070.00715.07
7.2.240.0060.00914.86
7.2.230.0070.00814.87
7.2.220.0050.01215.04
7.2.210.0040.00915.21
7.2.200.0050.00614.79
7.2.190.0070.00715.03
7.2.180.0110.00314.90
7.2.170.0080.00514.81
7.2.160.0030.01114.92
7.2.150.0120.00516.89
7.2.140.0050.00816.79
7.2.130.0080.00716.61
7.2.120.0120.00516.51
7.2.110.0110.00516.74
7.2.100.0110.00716.57
7.2.90.0090.00916.75
7.2.80.0050.01116.71
7.2.70.0060.01216.62
7.2.60.0080.01016.63
7.2.50.0090.00916.75
7.2.40.0100.00716.67
7.2.30.0060.01116.65
7.2.20.0070.01016.76
7.2.10.0060.01116.80
7.2.00.0100.00516.74
7.1.330.0050.00715.69
7.1.320.0020.00815.55
7.1.310.0090.00615.72
7.1.300.0030.01315.62
7.1.290.0060.01315.79
7.1.280.0110.00515.81
7.1.270.0090.00515.78
7.1.260.0050.00915.70
7.1.250.0070.01315.66
7.1.240.0090.00615.77
7.1.230.0150.00315.62
7.1.220.0030.01015.80
7.1.210.0120.00315.87
7.1.200.0080.00415.95
7.1.190.0060.00615.93
7.1.180.0100.00315.58
7.1.170.0000.01415.78
7.1.160.0040.00415.86
7.1.150.0140.00015.68
7.1.140.0000.01215.61
7.1.130.0110.00015.63
7.1.120.0040.00715.69
7.1.110.0030.00715.63
7.1.100.0030.01015.91
7.1.90.0100.00315.82
7.1.80.0030.00715.88
7.1.70.0080.00616.37
7.1.60.0040.01417.55
7.1.50.0050.00816.19
7.1.40.0070.00715.56
7.1.30.0060.00915.50
7.1.20.0090.00615.68
7.1.10.0000.00815.70
7.1.00.0050.04319.14
7.0.330.0000.00815.45
7.0.320.0030.01315.39
7.0.310.0060.00615.32
7.0.300.0040.00715.40
7.0.290.0070.01015.05
7.0.280.0080.00615.29
7.0.270.0060.00915.37
7.0.260.0040.00815.51
7.0.250.0030.01315.49
7.0.240.0040.00715.09
7.0.230.0090.00015.30
7.0.220.0040.00815.40
7.0.210.0060.00315.57
7.0.200.0030.00715.90
7.0.190.0030.00915.25
7.0.180.0000.01415.58
7.0.170.0030.01015.44
7.0.160.0040.00415.34
7.0.150.0070.00415.53
7.0.140.0070.03718.79
7.0.130.0070.00415.48
7.0.120.0000.01215.09
7.0.110.0030.00615.47
7.0.100.0030.00915.52
7.0.90.0040.01115.49
7.0.80.0060.00915.36
7.0.70.0000.01315.45
7.0.60.0060.04317.78
7.0.50.0050.02416.56
7.0.40.0000.03716.78
7.0.30.0150.02416.84
7.0.20.0190.03416.72
7.0.10.0140.02616.88
7.0.00.0060.04316.79
5.6.400.0090.00614.29
5.6.390.0120.00314.20
5.6.380.0060.00813.89
5.6.370.0060.00614.22
5.6.360.0040.01114.30
5.6.350.0100.00614.32
5.6.340.0040.01214.35
5.6.330.0070.01014.55
5.6.320.0030.00614.04
5.6.310.0070.00713.98
5.6.300.0040.01114.32
5.6.290.0120.00314.42
5.6.280.0000.04217.71
5.6.270.0070.00714.06
5.6.260.0000.00814.26
5.6.250.0060.00614.20
5.6.240.0000.01813.96
5.6.230.0040.01114.02
5.6.220.0000.00914.38
5.6.210.0050.04217.37
5.6.200.0030.03116.22
5.6.190.0030.02617.46
5.6.180.0120.02717.61
5.6.170.0150.04417.39
5.6.160.0080.04717.33
5.6.150.0070.04516.15
5.6.140.0090.02016.28
5.6.130.0050.04216.12
5.6.120.0060.03817.69
5.6.110.0030.03617.49
5.6.100.0050.03417.53
5.6.90.0100.04217.62
5.6.80.0070.04217.31
5.6.70.0040.01114.04
5.6.60.0000.01214.34
5.6.50.0100.00014.45
5.6.40.0060.00613.96
5.6.30.0070.01014.08
5.6.20.0030.00914.26
5.6.10.0100.00714.03
5.6.00.0000.01214.22
5.5.380.0070.00713.84
5.5.370.0060.00614.24
5.5.360.0040.01214.21
5.5.350.0110.04717.30
5.5.340.0030.04715.91
5.5.330.0080.04317.20
5.5.320.0170.03217.15
5.5.310.0220.03717.26
5.5.300.0090.02216.08
5.5.290.0060.04316.17
5.5.280.0050.02517.28
5.5.270.0110.02117.53
5.5.260.0030.02717.53
5.5.250.0030.04317.40
5.5.240.0880.02117.22
5.5.230.0040.00814.03
5.5.220.0040.00914.18
5.5.210.0040.00414.31
5.5.200.0070.00714.25
5.5.190.0000.00914.24
5.5.180.0030.00913.94
5.5.170.0030.01014.15
5.5.160.0060.00613.93
5.5.150.0040.00713.86
5.5.140.0060.00314.31
5.5.130.0110.00413.99
5.5.120.0090.00314.06
5.5.110.0040.00413.85
5.5.100.0110.00313.99
5.5.90.0060.00914.00
5.5.80.0000.01714.04
5.5.70.0030.01413.72
5.5.60.0070.00313.88
5.5.50.0030.01314.06
5.5.40.0060.00614.28
5.5.30.0070.00714.22
5.5.20.0000.01413.83
5.5.10.0070.00714.22
5.5.00.0070.00414.32
5.4.450.0250.01715.20
5.4.440.0530.03215.38
5.4.430.0070.03615.21
5.4.420.0330.00315.27
5.4.410.0340.00315.08
5.4.400.0350.00515.03
5.4.390.0380.00314.98
5.4.380.0300.03714.82
5.4.370.0200.02714.90
5.4.360.0300.03414.89
5.4.350.0180.03514.70
5.4.340.0160.03014.78
5.4.330.0030.00611.08
5.4.320.0060.02511.65
5.4.310.0040.02311.59
5.4.300.0060.02211.70
5.4.290.0060.02011.65
5.4.280.0050.02311.56
5.4.270.0050.02111.69
5.4.260.0050.02311.69
5.4.250.0060.02311.76
5.4.240.0060.02111.65
5.4.230.0080.01811.71
5.4.220.0020.02311.53
5.4.210.0020.02411.67
5.4.200.0060.02011.59
5.4.190.0060.01811.62
5.4.180.0040.02811.76
5.4.170.0040.02311.54
5.4.160.0070.02511.68
5.4.150.0040.02411.68
5.4.140.0070.02211.66
5.4.130.0050.02211.57
5.4.120.0050.02011.35
5.4.110.0080.01811.50
5.4.100.0050.02111.39
5.4.90.0040.02511.48
5.4.80.0080.02411.53
5.4.70.0030.02211.47
5.4.60.0030.02111.48
5.4.50.0050.01911.33
5.4.40.0030.02111.41
5.4.30.0060.01811.51
5.4.20.0020.02311.52
5.4.10.0020.02311.55
5.4.00.0020.02411.28
5.3.290.0070.03912.80
5.3.280.0050.03912.70
5.3.270.0060.04012.73
5.3.260.0040.04112.72
5.3.250.0040.03912.72
5.3.240.0090.03512.72
5.3.230.0070.03812.71
5.3.220.0070.03612.68
5.3.210.0050.04012.68
5.3.200.0090.03312.68
5.3.190.0070.03612.68
5.3.180.0070.03512.67
5.3.170.0040.03712.67
5.3.160.0090.03212.68
5.3.150.0060.03612.68
5.3.140.0060.03612.66
5.3.130.0080.03612.66
5.3.120.0060.03812.66
5.3.110.0080.03712.65
5.3.100.0110.03312.12
5.3.90.0050.03812.10
5.3.80.0070.03512.09
5.3.70.0060.03812.09
5.3.60.0040.03812.07
5.3.50.0060.03612.02
5.3.40.0020.04112.02
5.3.30.0050.03511.98
5.3.20.0050.04011.76
5.3.10.0070.03411.73
5.3.00.0060.03911.71
5.2.170.0040.0329.21
5.2.160.0070.0309.21
5.2.150.0070.0379.21
5.2.140.0050.0309.21
5.2.130.0030.0319.17
5.2.120.0030.0299.17
5.2.110.0050.0299.18
5.2.100.0070.0269.17
5.2.90.0040.0299.18
5.2.80.0060.0309.17
5.2.70.0030.0329.17
5.2.60.0030.0319.12
5.2.50.0060.0339.09
5.2.40.0080.0289.06
5.2.30.0040.0309.05
5.2.20.0050.0289.04
5.2.10.0050.0288.94
5.2.00.0070.0278.80
5.1.60.0050.0238.08
5.1.50.0040.0248.08
5.1.40.0040.0248.06
5.1.30.0050.0258.41
5.1.20.0060.0278.43
5.1.10.0030.0278.16
5.1.00.0040.0288.16
5.0.50.0050.0226.64
5.0.40.0010.0216.50
5.0.30.0040.0316.31
5.0.20.0020.0216.27
5.0.10.0040.0206.25
5.0.00.0020.0326.25
4.4.90.0030.0154.78
4.4.80.0060.0164.76
4.4.70.0050.0164.75
4.4.60.0050.0204.75
4.4.50.0020.0164.77
4.4.40.0040.0254.71
4.4.30.0040.0154.76
4.4.20.0040.0224.84
4.4.10.0030.0204.85
4.4.00.0030.0274.76
4.3.110.0030.0164.66
4.3.100.0020.0184.66
4.3.90.0030.0214.64
4.3.80.0020.0274.58
4.3.70.0060.0184.63
4.3.60.0020.0184.62
4.3.50.0040.0224.63
4.3.40.0050.0284.54
4.3.30.0020.0203.30
4.3.20.0020.0163.27
4.3.10.0030.0173.24
4.3.00.0130.01315.67

preferences:
42.1 ms | 401 KiB | 5 Q