3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "hello"; $b = "hi"; echo date('Y-m-d'); $val = "a"; echo $$val; // outputs "hello" echo "\n"; $val = "b"; echo $$val; // outputs "hi"

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)
8.3.40.0150.00418.93
8.3.30.0000.01418.94
8.3.20.0070.00020.26
8.3.10.0000.00821.65
8.3.00.0030.00519.25
8.2.170.0120.00622.96
8.2.160.0070.00720.57
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0030.00519.36
8.2.110.0070.00422.07
8.2.100.0080.00417.66
8.2.90.0030.00617.63
8.2.80.0030.00619.15
8.2.70.0080.00018.03
8.2.60.0030.00917.93
8.2.50.0040.00418.10
8.2.40.0000.00820.63
8.2.30.0030.00618.11
8.2.20.0030.00617.61
8.2.10.0040.00418.09
8.2.00.0040.00417.61
8.1.270.0090.00620.64
8.1.260.0040.00426.35
8.1.250.0030.00328.09
8.1.240.0050.00522.13
8.1.230.0120.00019.15
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0070.00317.38
8.1.190.0000.00817.22
8.1.180.0030.00518.10
8.1.170.0030.00618.72
8.1.160.0040.00422.08
8.1.150.0040.00418.89
8.1.140.0050.00317.59
8.1.130.0070.00017.79
8.1.120.0030.00517.47
8.1.110.0000.00817.59
8.1.100.0040.00417.60
8.1.90.0000.00717.54
8.1.80.0070.00017.54
8.1.70.0030.00317.56
8.1.60.0030.00517.65
8.1.50.0040.00417.46
8.1.40.0050.00317.54
8.1.30.0030.00617.75
8.1.20.0050.00317.68
8.1.10.0040.00417.57
8.1.00.0000.00817.57
8.0.300.0040.00421.65
8.0.290.0050.00316.88
8.0.280.0030.00318.51
8.0.270.0030.00317.22
8.0.260.0030.00317.20
8.0.250.0000.00717.05
8.0.240.0000.00717.04
8.0.230.0070.00017.09
8.0.220.0000.00717.05
8.0.210.0050.00216.99
8.0.200.0030.00316.90
8.0.190.0070.00017.02
8.0.180.0030.00516.86
8.0.170.0030.00516.91
8.0.160.0040.00416.86
8.0.150.0070.00016.82
8.0.140.0000.00716.81
8.0.130.0000.00513.28
8.0.120.0030.00516.87
8.0.110.0050.00316.90
8.0.100.0000.00716.95
8.0.90.0030.00316.93
8.0.80.0100.00716.91
8.0.70.0060.00316.95
8.0.60.0000.00817.00
8.0.50.0000.00716.80
8.0.30.0080.01217.29
8.0.20.0120.01117.40
8.0.10.0000.00717.03
8.0.00.0120.00816.79
7.4.330.0000.00515.14
7.4.320.0030.00316.66
7.4.300.0060.00016.57
7.4.290.0040.00416.62
7.4.280.0040.00416.48
7.4.270.0030.00316.52
7.4.260.0040.00416.59
7.4.250.0030.00316.50
7.4.240.0070.00016.69
7.4.230.0040.00416.45
7.4.220.0120.00616.57
7.4.210.0130.00616.51
7.4.200.0050.00216.73
7.4.160.0120.00316.61
7.4.150.0210.01117.40
7.4.140.0140.01117.86
7.4.130.0130.00316.63
7.4.120.0090.00816.63
7.4.110.0090.01216.52
7.4.100.0130.00816.54
7.4.90.0040.01316.51
7.4.80.0030.01819.39
7.4.70.0070.01416.48
7.4.60.0090.00916.50
7.4.50.0050.00316.41
7.4.40.0080.00816.60
7.4.30.0060.01016.63
7.4.10.0060.00914.64
7.4.00.0050.01215.05
7.3.330.0030.00313.14
7.3.320.0000.01213.11
7.3.310.0030.00316.23
7.3.300.0070.00016.25
7.3.290.0080.00616.25
7.3.280.0060.01016.26
7.3.270.0190.00017.40
7.3.260.0060.01616.36
7.3.250.0130.00316.65
7.3.240.0160.00016.44
7.3.230.0130.01016.47
7.3.210.0100.00616.54
7.3.200.0150.00719.39
7.3.190.0050.01416.30
7.3.180.0060.00916.61
7.3.170.0060.01016.49
7.3.160.0120.00616.35
7.3.130.0120.00314.80
7.3.120.0070.00714.72
7.3.110.0080.00914.94
7.3.100.0030.01214.81
7.3.90.0060.00814.83
7.3.80.0070.00515.00
7.3.70.0020.01214.64
7.3.60.0090.00414.76
7.3.50.0020.01314.62
7.3.40.0070.00514.78
7.3.30.0090.00514.83
7.3.20.0090.00516.77
7.3.10.0040.00916.60
7.3.00.0100.00216.58
7.2.330.0140.00516.70
7.2.320.0030.01316.84
7.2.310.0140.00816.57
7.2.300.0130.01016.41
7.2.290.0130.00416.29
7.2.260.0090.00914.96
7.2.250.0000.01814.89
7.2.240.0060.01015.07
7.2.230.0070.00915.15
7.2.220.0060.01115.03
7.2.210.0080.00914.93
7.2.200.0050.00615.00
7.2.190.0080.00515.11
7.2.180.0060.00714.95
7.2.170.0030.00914.93
7.2.160.0070.00915.01
7.2.150.0070.00816.92
7.2.140.0050.01216.72
7.2.130.0030.00917.10
7.2.120.0070.00516.88
7.2.110.0040.00816.89
7.2.100.0060.00816.99
7.2.90.0070.00617.08
7.2.80.0030.00616.91
7.2.70.0070.00516.68
7.2.60.0090.00516.88
7.2.50.0110.00517.01
7.2.40.0050.00717.03
7.2.30.0070.00516.93
7.2.20.0060.00616.93
7.2.10.0070.00817.11
7.2.00.0050.01017.88
7.1.330.0040.01115.90
7.1.320.0050.00815.90
7.1.310.0080.00715.81
7.1.300.0050.01015.82
7.1.290.0070.00515.79
7.1.280.0050.00715.71
7.1.270.0040.01115.69
7.1.260.0070.00715.72
7.1.250.0080.00515.80
7.1.240.0060.00615.55
7.1.230.0100.00015.85
7.1.220.0060.00615.65
7.1.210.0030.01415.65
7.1.200.0030.00915.92
7.1.190.0040.00415.65
7.1.180.0030.01215.75
7.1.170.0000.01615.64
7.1.160.0100.00315.91
7.1.150.0030.00715.72
7.1.140.0150.00315.69
7.1.130.0040.00415.88
7.1.120.0030.00615.75
7.1.110.0090.00615.74
7.1.100.0000.00917.10
7.1.90.0000.01115.80
7.1.80.0030.01015.98
7.1.70.0070.00416.46
7.1.60.0070.00717.71
7.1.50.0050.00725.18
7.1.40.0030.00615.97
7.1.30.0070.00715.68
7.1.20.0060.00915.61
7.1.10.0070.00315.91
7.1.00.0040.04218.99
7.0.330.0090.00615.53
7.0.320.0060.00615.58
7.0.310.0150.00015.30
7.0.300.0030.00615.53
7.0.290.0030.00915.41
7.0.280.0000.01315.37
7.0.270.0040.00415.59
7.0.260.0060.00915.49
7.0.250.0040.01115.30
7.0.240.0040.01115.40
7.0.230.0030.01015.64
7.0.220.0070.00315.50
7.0.210.0030.01015.64
7.0.200.0180.01115.06
7.0.190.0000.00915.18
7.0.180.0030.00615.43
7.0.170.0110.00015.54
7.0.160.0040.00415.54
7.0.150.0030.00615.56
7.0.140.0110.03018.78
7.0.130.0030.01315.42
7.0.120.0000.01415.63
7.0.110.0110.00415.54
7.0.100.0060.00315.42
7.0.90.0030.01415.33
7.0.80.0250.02517.70
7.0.70.0300.03917.65
7.0.60.0250.04017.63
7.0.50.0280.04917.94
7.0.40.0080.02716.79
7.0.30.0070.04616.69
7.0.20.0050.04216.67
7.0.10.0020.04816.73
7.0.00.0060.02316.80
5.6.400.0070.00714.31
5.6.390.0090.00314.23
5.6.380.0060.00614.38
5.6.370.0090.00613.99
5.6.360.0030.00614.36
5.6.350.0040.00414.33
5.6.340.0070.00714.14
5.6.330.0040.00414.24
5.6.320.0040.00714.55
5.6.310.0110.00714.45
5.6.300.0030.01014.32
5.6.290.0100.00714.52
5.6.280.0110.03417.63
5.6.270.0030.00714.46
5.6.260.0090.00614.46
5.6.250.0080.00814.38
5.6.240.0070.00714.39
5.6.230.0080.04217.41
5.6.220.0120.02217.39
5.6.210.0060.04517.31
5.6.200.0100.04717.71
5.6.190.0070.04217.70
5.6.180.0050.04717.65
5.6.170.0090.04217.57
5.6.160.0040.03917.63
5.6.150.0090.04017.61
5.6.140.0130.03817.79
5.6.130.0050.04217.66
5.6.120.0070.02817.62
5.6.110.0070.02917.73
5.6.100.0090.04417.65
5.6.90.0110.03817.57
5.6.80.0100.03217.39
5.6.70.0100.04317.51
5.6.60.0060.02817.24
5.6.50.0080.04217.21
5.6.40.0100.03017.24
5.6.30.0000.04917.31
5.6.20.0090.02217.15
5.6.10.0030.04617.21
5.6.00.0070.03817.26
5.5.380.0040.01114.02
5.5.370.0020.04717.35
5.5.360.0100.04417.37
5.5.350.0030.04917.38
5.5.340.0100.02217.64
5.5.330.0100.04217.53
5.5.320.0050.04317.58
5.5.310.0100.04017.36
5.5.300.0070.03317.63
5.5.290.0090.04217.63
5.5.280.0090.03617.55
5.5.270.0030.04817.38
5.5.260.0110.02317.54
5.5.250.0070.04217.35
5.5.240.0100.04117.26
5.5.230.0080.04217.30
5.5.220.0080.04017.21
5.5.210.0100.03017.21
5.5.200.0030.04717.22
5.5.190.0050.03217.27
5.5.180.0090.04017.14
5.5.170.0080.00314.35
5.5.160.0100.03517.27
5.5.150.0070.04417.14
5.5.140.0030.04817.05
5.5.130.0100.04117.31
5.5.120.0100.04017.17
5.5.110.0100.04317.29
5.5.100.0030.03217.22
5.5.90.0130.03817.04
5.5.80.0050.03816.95
5.5.70.0090.02117.17
5.5.60.0020.02817.19
5.5.50.0050.03017.15
5.5.40.0070.02917.09
5.5.30.0050.03416.97
5.5.20.0050.03817.24
5.5.10.0090.04117.01
5.5.00.0030.03717.05
5.4.450.0050.04115.17
5.4.440.0050.04715.25
5.4.430.0130.03815.27
5.4.420.0070.04115.03
5.4.410.0030.03215.05
5.4.400.0100.03815.07
5.4.390.0070.03514.94
5.4.380.0070.04214.90
5.4.370.0070.02015.02
5.4.360.0070.04014.99
5.4.350.0020.02315.13
5.4.340.0000.02415.08
5.4.330.0040.00710.79
5.4.320.0070.02614.98
5.4.310.0100.03814.96
5.4.300.0060.04015.08
5.4.290.0050.03214.92
5.4.280.0030.03814.89
5.4.270.0020.04315.12
5.4.260.0160.03015.01
5.4.250.0050.02914.94
5.4.240.0050.04014.90
5.4.230.0100.02215.01
5.4.220.0070.02514.97
5.4.210.0020.03114.87
5.4.200.0080.02515.01
5.4.190.0060.02314.99
5.4.180.0050.02215.05
5.4.170.0020.03514.95
5.4.160.0040.04514.71
5.4.150.0050.03814.99
5.4.140.0030.02813.72
5.4.130.0110.03313.56
5.4.120.0050.02213.55
5.4.110.0050.03013.71
5.4.100.0050.03513.52
5.4.90.0070.03713.80
5.4.80.0030.04013.65
5.4.70.0000.04313.54
5.4.60.0050.03013.62
5.4.50.0030.03913.67
5.4.40.0070.04213.85
5.4.30.0100.03313.63
5.4.20.0030.03813.65
5.4.10.0100.03313.69
5.4.00.0050.02813.09
5.3.290.0030.06314.61
5.3.280.0070.06014.58
5.3.270.0030.04014.42
5.3.260.0000.04714.54
5.3.250.0070.05714.51
5.3.240.0100.03314.59
5.3.230.0030.04714.47
5.3.220.0070.03714.42
5.3.210.0070.04314.47
5.3.200.0070.05014.51
5.3.190.0030.07314.38
5.3.180.0070.04314.42
5.3.170.0030.04014.54
5.3.160.0070.04314.39
5.3.150.0030.08014.52
5.3.140.0070.05014.37
5.3.130.0100.07014.40
5.3.120.0070.07714.53
5.3.110.0130.07014.48
5.3.100.0100.07314.02
5.3.90.0030.07714.02
5.3.80.0070.07713.88
5.3.70.0170.07013.97
5.3.60.0100.07013.95
5.3.50.0130.07013.79
5.3.40.0100.06313.85
5.3.30.0070.07313.89
5.3.20.0070.07013.55
5.3.10.0100.04713.61
5.3.00.0070.07713.60
5.2.170.0030.06710.93
5.2.160.0070.05711.14
5.2.150.0070.05011.10
5.2.140.0030.06711.21
5.2.130.0100.05311.15
5.2.120.0000.03711.02
5.2.110.0030.06011.08
5.2.100.0070.04711.08
5.2.90.0000.06310.91
5.2.80.0030.04711.16
5.2.70.0130.04311.14
5.2.60.0070.04010.97
5.2.50.0030.06010.97
5.2.40.0100.05310.85
5.2.30.0000.05710.80
5.2.20.0100.03710.96
5.2.10.0030.06010.77
5.2.00.0030.05710.63
5.1.60.0000.03710.02
5.1.50.0070.0509.98
5.1.40.0030.0409.99
5.1.30.0000.04310.36
5.1.20.0200.03010.29
5.1.10.0070.04010.09
5.1.00.0070.03310.05
5.0.50.0030.0438.54
5.0.40.0000.0438.39
5.0.30.0030.0708.30
5.0.20.0000.0378.08
5.0.10.0070.0238.21
5.0.00.0070.0638.25
4.4.90.0000.0207.34
4.4.80.0070.0177.34
4.4.70.0000.0377.34
4.4.60.0070.0337.34
4.4.50.0030.0237.34
4.4.40.0000.0507.34
4.4.30.0030.0307.34
4.4.20.0070.0337.34
4.4.10.0030.0277.34
4.4.00.0000.0607.34
4.3.110.0070.0277.34
4.3.100.0000.0377.34
4.3.90.0000.0277.34
4.3.80.0070.0337.34
4.3.70.0030.0237.34
4.3.60.0000.0377.34
4.3.50.0030.0277.34
4.3.40.0000.0337.34
4.3.30.0030.0337.34
4.3.20.0000.0377.34
4.3.10.0000.0277.34
4.3.00.0030.0337.34

preferences:
39.25 ms | 400 KiB | 5 Q