3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function(){echo 'hi';}; var_dump($a); print_r($a); echo json_encode($a); echo json_decode($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)
8.3.40.0040.01118.60
8.3.30.0110.00419.22
8.3.20.0060.00320.21
8.3.10.0000.00822.00
8.3.00.0000.00722.46
8.2.170.0160.00322.96
8.2.160.0140.00020.47
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00819.42
8.2.110.0090.00020.52
8.2.100.0070.00717.78
8.2.90.0050.00319.22
8.2.80.0000.00817.99
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0000.00818.16
8.2.30.0030.00518.06
8.2.20.0000.00817.79
8.2.10.0030.00517.75
8.2.00.0080.00017.75
8.1.270.0090.00020.39
8.1.260.0040.00426.35
8.1.250.0000.00928.09
8.1.240.0090.00023.91
8.1.230.0100.00322.08
8.1.220.0110.00017.74
8.1.210.0050.00318.77
8.1.200.0090.00017.48
8.1.190.0040.00417.53
8.1.180.0000.00818.75
8.1.170.0050.00318.66
8.1.160.0000.00722.09
8.1.150.0070.00318.54
8.1.140.0040.00417.32
8.1.130.0000.00717.82
8.1.120.0040.00417.51
8.1.110.0000.00717.30
8.1.100.0060.00317.46
8.1.90.0000.00817.34
8.1.80.0000.00817.43
8.1.70.0030.00317.35
8.1.60.0030.00517.53
8.1.50.0000.00817.39
8.1.40.0030.00617.50
8.1.30.0080.00017.52
8.1.20.0050.00317.63
8.1.10.0030.00617.60
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0060.00317.05
8.0.280.0030.00318.40
8.0.270.0000.00817.17
8.0.260.0000.00616.84
8.0.250.0070.00016.91
8.0.240.0020.00516.91
8.0.230.0060.00316.91
8.0.220.0000.00816.95
8.0.210.0030.00316.88
8.0.200.0030.00317.04
8.0.190.0000.00716.92
8.0.180.0030.00316.96
8.0.170.0030.00516.99
8.0.160.0080.00016.91
8.0.150.0000.00716.82
8.0.140.0040.00416.89
8.0.130.0030.00313.33
8.0.120.0050.00216.90
8.0.110.0060.00316.95
8.0.100.0070.00016.82
8.0.90.0000.00716.89
8.0.80.0040.01816.84
8.0.70.0030.00517.06
8.0.60.0040.00416.80
8.0.50.0040.00416.82
8.0.30.0160.00316.96
8.0.20.0090.01217.40
8.0.10.0000.00716.96
8.0.00.0060.01116.89
7.4.330.0050.00015.00
7.4.320.0000.00616.50
7.4.300.0050.00216.51
7.4.290.0030.00316.48
7.4.280.0070.00016.63
7.4.270.0070.00016.52
7.4.260.0040.00416.62
7.4.250.0040.00416.45
7.4.240.0040.00416.52
7.4.230.0070.00016.57
7.4.220.0110.00716.68
7.4.210.0060.00916.57
7.4.200.0070.00016.36
7.4.190.0070.00016.68
7.4.160.0080.00816.42
7.4.150.0060.01217.40
7.4.140.0090.01117.86
7.4.130.0060.01116.59
7.4.120.0090.00816.53
7.4.110.0080.01616.60
7.4.100.0170.00016.57
7.4.90.0090.00816.64
7.4.80.0160.00819.39
7.4.70.0060.00916.50
7.4.60.0120.00616.48
7.4.50.0080.00016.26
7.4.40.0090.00622.77
7.4.30.0050.01116.54
7.4.00.0000.01815.05
7.3.330.0060.00013.16
7.3.320.0000.00513.11
7.3.310.0030.00316.19
7.3.300.0060.00016.26
7.3.290.0200.00016.25
7.3.280.0100.00816.28
7.3.270.0100.01317.40
7.3.260.0070.01116.16
7.3.250.0100.00716.45
7.3.240.0070.01116.49
7.3.230.0220.00316.50
7.3.210.0060.01116.54
7.3.200.0100.00719.39
7.3.190.0060.01116.27
7.3.180.0100.00716.29
7.3.170.0060.01116.30
7.3.160.0090.00516.26
7.3.120.0030.01014.84
7.3.00.0130.00316.56
7.2.330.0170.00316.59
7.2.320.0070.01116.69
7.2.310.0130.00316.70
7.2.300.0090.00816.42
7.2.290.0120.00616.54
7.2.130.0040.00716.65
7.2.120.0140.00416.80
7.2.110.0100.00716.84
7.2.100.0060.00916.95
7.2.90.0060.01016.54
7.2.80.0040.00716.71
7.2.70.0040.01116.64
7.2.60.0030.01016.66
7.2.50.0070.00716.78
7.2.40.0030.01016.62
7.2.30.0060.00616.82
7.2.20.0070.00316.91
7.2.10.0070.00716.56
7.2.00.0030.01017.96
7.1.250.0030.01015.82
7.1.240.0140.00715.76
7.1.230.0030.00815.38
7.1.220.0080.00315.57
7.1.210.0030.00615.66
7.1.200.0030.00615.56
7.1.190.0090.00315.59
7.1.180.0070.00315.50
7.1.170.0080.00315.70
7.1.160.0060.00915.63
7.1.150.0030.00715.63
7.1.140.0060.00315.55
7.1.130.0030.00615.71
7.1.120.0120.00015.80
7.1.110.0040.00415.48
7.1.100.0050.00816.93
7.1.90.0060.00315.91
7.1.80.0030.00615.63
7.1.70.0070.00316.23
7.1.60.0030.00716.49
7.1.50.0080.01425.23
7.1.40.0040.00415.54
7.1.30.0040.00715.68
7.1.20.0080.00815.48
7.1.10.0110.00015.57
7.1.00.0000.02618.99
7.0.330.0120.00014.97
7.0.320.0030.00715.30
7.0.310.0050.00515.32
7.0.300.0030.00914.97
7.0.290.0000.00915.39
7.0.280.0030.01015.34
7.0.270.0060.00615.20
7.0.260.0070.00415.39
7.0.250.0060.00615.00
7.0.240.0040.00715.52
7.0.230.0030.00915.25
7.0.220.0030.01015.34
7.0.210.0040.00715.19
7.0.200.0040.01115.89
7.0.190.0040.00815.07
7.0.180.0100.00015.21
7.0.170.0060.00315.30
7.0.160.0040.00715.22
7.0.150.0060.00615.12
7.0.140.0070.03718.71
7.0.130.0100.00315.30
7.0.120.0030.00615.34
7.0.110.0030.00914.94
7.0.100.0040.00815.23
7.0.90.0130.04117.67
7.0.80.0280.03017.63
7.0.70.0070.04117.63
7.0.60.0130.03417.52
7.0.50.0210.04317.82
7.0.40.0070.04316.76
7.0.30.0100.02316.76
7.0.20.0050.02816.68
7.0.10.0070.04316.67
7.0.00.0080.04016.63
5.6.380.0070.00313.86
5.6.370.0090.00614.43
5.6.360.0060.00314.36
5.6.350.0090.00314.00
5.6.340.0060.00314.28
5.6.330.0040.00713.94
5.6.320.0080.00313.99
5.6.310.0030.00814.44
5.6.300.0030.00914.39
5.6.290.0060.00614.15
5.6.280.0070.03817.71
5.6.270.0080.00314.07
5.6.260.0040.01114.30
5.6.250.0030.00614.19
5.6.240.0050.04517.46
5.6.230.0100.02717.42
5.6.220.0120.02817.47
5.6.210.0060.04417.38
5.6.200.0090.04217.62
5.6.190.0030.04717.60
5.6.180.0080.04117.60
5.6.170.0090.04317.53
5.6.160.0070.04517.63
5.6.150.0080.02717.71
5.6.140.0070.04217.62
5.6.130.0050.04217.46
5.6.120.0070.04417.55
5.6.110.0060.03317.63
5.6.100.0090.03917.73
5.6.90.0030.05017.55
5.6.80.0080.03017.22
5.6.70.0050.04017.16
5.6.60.0050.03617.20
5.6.50.0090.04017.23
5.6.40.0110.03517.41
5.6.30.0070.03217.18
5.6.20.0050.04017.36
5.6.10.0110.02417.29
5.6.00.0050.04517.26
5.5.380.0070.04515.45
5.5.370.0050.03915.78
5.5.360.0030.03115.62
5.5.350.0040.04915.76
5.5.340.0110.04116.00
5.5.330.0080.03715.79
5.5.320.0050.04015.71
5.5.310.0080.03615.89
5.5.300.0100.03115.99
5.5.290.0080.04016.00
5.5.280.0070.04315.67
5.5.270.0110.03815.96
5.5.260.0150.03015.89
5.5.250.0030.03815.74
5.5.240.0080.04015.54
5.5.230.0070.02015.33
5.5.220.0030.03315.67
5.5.210.0070.02015.49
5.5.200.0090.02715.42
5.5.190.0080.03315.57
5.5.180.0100.04215.52
5.5.170.0060.00610.57
5.5.160.0130.03315.58
5.5.150.0020.04115.69
5.5.140.0050.04215.67
5.5.130.0030.04415.57
5.5.120.0090.03815.37
5.5.110.0100.04215.61
5.5.100.0000.03615.69
5.5.90.0060.02915.41
5.5.80.0030.02315.48
5.5.70.0070.04015.44
5.5.60.0060.03415.42
5.5.50.0030.04215.47
5.5.40.0090.02515.17
5.5.30.0090.03715.52
5.5.20.0050.02515.50
5.5.10.0030.03315.52
5.5.00.0020.03015.31
5.4.450.0120.03215.02
5.4.440.0100.03315.13
5.4.430.0080.03515.19
5.4.420.0100.02715.14
5.4.410.0060.03115.16
5.4.400.0030.03715.06
5.4.390.0050.02614.94
5.4.380.0040.04415.15
5.4.370.0070.02014.97
5.4.360.0080.03715.03
5.4.350.0110.03114.96
5.4.340.0020.04714.95
5.4.330.0050.00510.98
5.4.320.0020.02514.91
5.4.310.0020.04015.06
5.4.300.0080.03714.94
5.4.290.0070.04314.87
5.4.280.0100.03515.00
5.4.270.0030.04014.90
5.4.260.0030.04414.94
5.4.250.0030.04214.93
5.4.240.0050.02014.92
5.4.230.0000.04614.97
5.4.220.0020.03414.80
5.4.210.0060.02915.04
5.4.200.0060.03515.02
5.4.190.0070.02414.92
5.4.180.0100.01714.95
5.4.170.0110.02914.89
5.4.160.0050.04014.85
5.4.150.0050.04214.69
5.4.140.0100.03513.56
5.4.130.0050.04013.69
5.4.120.0050.03713.47
5.4.110.0030.02813.78
5.4.100.0050.03713.55
5.4.90.0020.04013.63
5.4.80.0050.02213.62
5.4.70.0080.02813.79
5.4.60.0020.04213.65
5.4.50.0050.02713.58
5.4.40.0040.03913.49
5.4.30.0030.03513.54
5.4.20.0070.03713.51
5.4.10.0050.03813.50
5.4.00.0080.03513.34
5.3.290.0030.02212.69
5.3.280.0060.04112.50
5.3.270.0030.03312.58
5.3.260.0020.04612.58
5.3.250.0060.03712.59
5.3.240.0040.03112.51
5.3.230.0090.03612.42
5.3.220.0030.04212.52
5.3.210.0050.03012.47
5.3.200.0030.03812.38
5.3.190.0050.04012.34
5.3.180.0110.03512.45
5.3.170.0030.04212.66
5.3.160.0110.03612.48
5.3.150.0050.03812.48
5.3.140.0020.02812.51
5.3.130.0080.03912.62
5.3.120.0070.04212.44
5.3.110.0030.04312.54
5.3.100.0060.03412.34
5.3.90.0070.02512.29
5.3.80.0020.04412.26
5.3.70.0080.03612.10
5.3.60.0070.02312.21
5.3.50.0100.03312.22
5.3.40.0050.04012.16
5.3.30.0040.02712.05
5.3.20.0120.03211.98
5.3.10.0100.03311.84
5.3.00.0080.04111.96
5.2.170.0030.03310.16
5.2.160.0070.03110.21
5.2.150.0050.03510.11
5.2.140.0040.02110.07
5.2.130.0090.02910.17
5.2.120.0000.03610.08
5.2.110.0160.02510.03
5.2.100.0110.02810.11
5.2.90.0090.01710.22
5.2.80.0020.02910.17
5.2.70.0100.03310.05
5.2.60.0050.03110.08
5.2.50.0120.02010.05
5.2.40.0050.02510.12
5.2.30.0050.03210.07
5.2.20.0080.0309.86
5.2.10.0090.02610.00
5.2.00.0030.0319.85
5.1.60.0080.0259.19
5.1.50.0030.0189.19
5.1.40.0050.0129.25
5.1.30.0030.0189.50
5.1.20.0040.0279.32
5.1.10.0020.0299.21
5.1.00.0020.0259.21
5.0.50.0050.0258.45
5.0.40.0050.0148.39
5.0.30.0060.0328.20
5.0.20.0000.0268.30
5.0.10.0000.0168.27
5.0.00.0070.0278.27
4.4.90.0050.0137.68
4.4.80.0020.0227.68
4.4.70.0010.0157.68
4.4.60.0000.0217.68
4.4.50.0030.0187.68
4.4.40.0020.0157.68
4.4.30.0050.0077.68
4.4.20.0020.0127.68
4.4.10.0000.0247.68
4.4.00.0020.0257.68
4.3.110.0020.0137.68
4.3.100.0020.0237.68
4.3.90.0020.0177.68
4.3.80.0020.0287.68
4.3.70.0030.0187.68
4.3.60.0020.0207.68
4.3.50.0020.0187.68
4.3.40.0030.0157.68
4.3.30.0020.0207.68
4.3.20.0020.0137.68
4.3.10.0030.0137.68
4.3.00.0030.0157.68

preferences:
52.77 ms | 400 KiB | 5 Q