3v4l.org

run code in 300+ PHP versions simultaneously
<?php function scaler(&$var) { $var++; } $a=5; scaler($a); echo $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)
8.3.40.0060.00918.44
8.3.30.0100.00719.01
8.3.20.0050.00220.04
8.3.10.0080.00020.20
8.3.00.0080.00022.45
8.2.170.0170.00322.96
8.2.160.0070.00720.89
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00419.36
8.2.110.0040.00420.50
8.2.100.0070.00419.45
8.2.90.0040.00418.09
8.2.80.0070.00017.97
8.2.70.0030.00517.63
8.2.60.0030.00617.93
8.2.50.0030.00518.07
8.2.40.0080.00318.12
8.2.30.0000.00818.12
8.2.20.0080.00017.76
8.2.10.0020.00517.67
8.2.00.0000.01019.41
8.1.270.0030.00522.00
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.01
8.1.230.0080.00320.97
8.1.220.0030.00617.74
8.1.210.0000.00918.93
8.1.200.0030.00617.00
8.1.190.0030.00617.41
8.1.180.0000.00818.62
8.1.170.0000.00918.46
8.1.160.0070.00021.86
8.1.150.0000.00718.48
8.1.140.0000.00817.37
8.1.130.0000.00817.86
8.1.120.0000.00717.31
8.1.110.0000.00817.30
8.1.100.0020.00517.35
8.1.90.0040.00417.30
8.1.80.0050.00317.29
8.1.70.0060.00017.34
8.1.60.0040.00417.49
8.1.50.0000.00917.39
8.1.40.0000.00717.50
8.1.30.0030.00517.57
8.1.20.0030.00517.51
8.1.10.0000.00717.54
8.1.00.0060.00317.42
8.0.300.0060.00320.10
8.0.290.0070.00017.05
8.0.280.0030.00518.34
8.0.270.0030.00317.12
8.0.260.0030.00316.85
8.0.250.0060.00016.89
8.0.240.0090.00016.86
8.0.230.0040.00216.89
8.0.220.0000.00616.71
8.0.210.0000.00616.69
8.0.200.0000.00616.76
8.0.190.0040.00416.87
8.0.180.0100.00016.73
8.0.170.0050.00316.76
8.0.160.0040.00416.92
8.0.150.0030.00316.73
8.0.140.0040.00416.74
8.0.130.0000.00513.16
8.0.120.0040.00416.75
8.0.110.0040.00416.80
8.0.100.0000.00716.92
8.0.90.0000.00716.69
8.0.80.0060.01616.77
8.0.70.0000.00816.81
8.0.60.0000.00716.66
8.0.50.0000.00716.93
8.0.30.0090.00916.99
8.0.20.0120.00617.40
8.0.10.0070.00016.95
8.0.00.0070.01216.86
7.4.330.0000.00515.09
7.4.320.0030.00316.35
7.4.300.0000.00616.58
7.4.290.0030.00516.58
7.4.280.0040.00416.39
7.4.270.0000.00916.52
7.4.260.0030.00316.49
7.4.250.0040.00416.56
7.4.240.0040.00416.51
7.4.230.0000.00716.25
7.4.220.0090.00916.52
7.4.210.0040.01016.58
7.4.200.0030.00316.33
7.4.190.0000.00716.64
7.4.160.0110.00816.29
7.4.150.0060.01217.40
7.4.140.0100.00917.86
7.4.130.0130.00416.56
7.4.120.0120.00816.36
7.4.110.0130.01216.40
7.4.100.0120.00616.48
7.4.90.0130.00616.49
7.4.80.0160.00019.39
7.4.70.0180.00416.37
7.4.60.0140.00316.44
7.4.50.0040.00016.41
7.4.40.0060.00922.77
7.4.30.0070.01016.47
7.4.00.0060.00914.96
7.3.330.0060.00013.15
7.3.320.0050.00013.25
7.3.310.0030.00316.32
7.3.300.0000.00716.14
7.3.290.0030.01116.29
7.3.280.0090.00916.25
7.3.270.0070.01017.40
7.3.260.0120.00616.57
7.3.250.0160.00216.34
7.3.240.0000.01716.30
7.3.230.0130.00616.39
7.3.210.0090.00916.27
7.3.200.0100.00619.39
7.3.190.0060.00916.27
7.3.180.0060.01016.62
7.3.170.0060.01016.52
7.3.160.0060.00916.33
7.3.120.0080.00914.77
7.3.110.0060.01314.77
7.3.100.0110.00614.79
7.3.90.0040.00814.73
7.3.80.0030.00814.89
7.3.70.0000.01214.95
7.3.60.0130.00015.04
7.3.50.0030.00614.89
7.3.40.0070.00714.67
7.3.30.0070.00414.87
7.3.20.0100.00616.51
7.3.10.0040.00716.29
7.3.00.0050.00516.52
7.2.330.0140.00416.77
7.2.320.0110.00616.70
7.2.310.0140.00716.48
7.2.300.0080.00916.57
7.2.290.0130.00316.21
7.2.250.0080.00814.89
7.2.240.0030.01614.78
7.2.230.0000.01215.02
7.2.220.0000.01415.16
7.2.210.0100.00315.04
7.2.200.0060.00615.18
7.2.190.0000.01414.98
7.2.180.0060.00314.88
7.2.170.0060.00314.96
7.2.160.0030.01014.88
7.2.150.0120.00016.86
7.2.140.0040.00816.71
7.2.130.0030.01016.75
7.2.120.0080.00716.58
7.2.110.0020.00916.72
7.2.100.0080.00916.69
7.2.90.0040.01116.81
7.2.80.0100.00816.57
7.2.70.0040.00716.65
7.2.60.0090.00516.43
7.2.50.0070.00916.65
7.2.40.0050.01016.75
7.2.30.0090.00516.66
7.2.20.0100.00816.56
7.2.10.0020.01416.51
7.2.00.0030.01017.77
7.1.330.0000.01915.58
7.1.320.0040.00715.63
7.1.310.0000.01415.60
7.1.300.0060.00915.74
7.1.290.0000.00915.48
7.1.280.0060.00315.61
7.1.270.0060.00915.31
7.1.260.0110.00315.63
7.1.250.0030.00915.63
7.1.240.0030.01015.76
7.1.230.0100.01015.34
7.1.220.0060.00915.69
7.1.210.0060.00915.77
7.1.200.0060.00615.83
7.1.190.0030.01015.56
7.1.180.0090.00315.66
7.1.170.0060.00915.85
7.1.160.0000.01115.42
7.1.150.0060.00615.67
7.1.140.0040.00815.68
7.1.130.0040.01115.66
7.1.120.0060.00615.80
7.1.110.0000.01315.86
7.1.100.0090.00716.83
7.1.90.0090.00015.84
7.1.80.0050.00515.71
7.1.70.0040.00416.50
7.1.60.0050.01217.80
7.1.50.0050.00916.34
7.1.40.0040.00415.57
7.1.30.0120.00315.41
7.1.20.0030.00715.53
7.1.10.0030.00915.80
7.1.00.0050.03919.10
7.0.330.0070.00715.24
7.0.320.0030.00915.10
7.0.310.0070.00715.38
7.0.300.0150.00015.32
7.0.290.0030.00615.19
7.0.280.0060.00315.15
7.0.270.0040.00715.16
7.0.260.0040.01115.30
7.0.250.0030.01015.45
7.0.240.0070.00715.44
7.0.230.0000.01315.34
7.0.220.0050.00815.48
7.0.210.0040.00915.15
7.0.200.0040.00816.04
7.0.190.0080.00315.16
7.0.180.0060.00615.47
7.0.170.0080.00815.09
7.0.160.0090.00315.13
7.0.150.0080.00315.31
7.0.140.0070.04018.66
7.0.130.0090.00315.29
7.0.120.0090.00315.25
7.0.110.0100.00315.36
7.0.100.0030.00715.20
7.0.90.0000.01015.44
7.0.80.0060.00615.34
7.0.70.0070.00315.43
7.0.60.0150.03917.62
7.0.50.0160.04117.71
7.0.40.0140.03816.78
7.0.30.0200.03816.60
7.0.20.0130.03816.73
7.0.10.0150.03616.59
7.0.00.0130.03216.68
5.6.400.0110.00414.64
5.6.390.0000.00814.13
5.6.380.0030.01014.21
5.6.370.0070.00714.02
5.6.360.0040.00714.14
5.6.350.0070.00714.49
5.6.340.0030.00614.23
5.6.330.0050.00614.22
5.6.320.0060.00914.42
5.6.310.0090.00314.14
5.6.300.0100.00314.03
5.6.290.0000.01114.33
5.6.280.0020.04117.59
5.6.270.0060.01014.05
5.6.260.0000.00914.41
5.6.250.0000.00914.23
5.6.240.0030.01214.47
5.6.230.0070.00314.54
5.6.220.0070.00714.43
5.6.210.0120.04017.31
5.6.200.0210.03517.62
5.6.190.0140.04117.66
5.6.180.0150.03817.72
5.6.170.0140.04017.53
5.6.160.0110.02717.72
5.6.150.0170.02817.67
5.6.140.0070.04817.67
5.6.130.0190.03517.54
5.6.120.0100.04617.60
5.6.110.0150.03317.82
5.6.100.0270.03117.78
5.6.90.0190.02617.62
5.6.80.0180.03817.23
5.6.70.0070.03417.26
5.6.60.0170.03517.29
5.6.50.0150.04317.16
5.6.40.0090.04517.43
5.6.30.0090.04717.24
5.6.20.0130.03717.21
5.6.10.0200.03317.23
5.6.00.0120.04317.46
5.5.380.0070.00714.32
5.5.370.0040.00713.95
5.5.360.0000.01014.24
5.5.350.0070.03317.33
5.5.340.0180.03017.54
5.5.330.0220.03717.56
5.5.320.0180.04017.39
5.5.310.0180.04017.44
5.5.300.0100.03917.38
5.5.290.0190.03917.51
5.5.280.0160.03517.63
5.5.270.0100.04617.54
5.5.260.0130.03917.52
5.5.250.0100.02517.29
5.5.240.0210.03517.30
5.5.230.0160.04017.19
5.5.220.0180.04117.21
5.5.210.0210.03017.24
5.5.200.0120.04117.09
5.5.190.0150.03717.35
5.5.180.0160.03917.26
5.5.170.0000.01114.16
5.5.160.0190.03717.20
5.5.150.0150.03817.09
5.5.140.0160.04217.08
5.5.130.0170.04017.06
5.5.120.0130.04217.29
5.5.110.0150.03717.13
5.5.100.0130.02717.12
5.5.90.0120.04317.21
5.5.80.0150.03817.11
5.5.70.0100.04117.12
5.5.60.0150.03717.07
5.5.50.0180.03517.23
5.5.40.0150.04017.02
5.5.30.0180.03816.99
5.5.20.0130.03817.21
5.5.10.0100.03217.11
5.5.00.0150.04117.02
5.4.450.0300.07319.45
5.4.440.0230.06319.25
5.4.430.0200.07319.52
5.4.420.0230.08019.49
5.4.410.0230.07719.27
5.4.400.0230.06719.07
5.4.390.0300.06719.07
5.4.380.0230.05319.07
5.4.370.0300.06318.91
5.4.360.0200.05319.01
5.4.350.0270.06319.17
5.4.340.0130.08018.91
5.4.320.0170.06719.12
5.4.310.0270.06719.12
5.4.300.0200.05019.00
5.4.290.0270.06718.91
5.4.280.0270.05319.05
5.4.270.0270.04019.05
5.4.260.0170.08018.91
5.4.250.0270.05319.21
5.4.240.0170.07719.01
5.4.230.0330.06318.90
5.4.220.0400.06019.21
5.4.210.0270.06319.16
5.4.200.0200.06319.01
5.4.190.0300.06019.02
5.4.180.0130.08319.03
5.4.170.0200.06318.90
5.4.160.0200.07719.02
5.4.150.0130.05018.99
5.4.140.0200.07316.45
5.4.130.0000.07716.42
5.4.120.0030.06316.34
5.4.110.0000.07016.55
5.4.100.0000.05016.31
5.4.90.0000.07316.57
5.4.80.0070.06716.33
5.4.70.0130.06316.36
5.4.60.0100.06716.48
5.4.50.0100.07016.40
5.4.40.0000.06316.59
5.4.30.0030.06316.35
5.4.20.0070.06716.31
5.4.10.0070.06716.38
5.4.00.0000.07315.63
5.3.290.0270.07014.52
5.3.280.0170.07714.66
5.3.270.0200.07014.56
5.3.260.0170.07714.65
5.3.250.0170.07714.65
5.3.240.0170.07314.61
5.3.230.0070.04714.65
5.3.220.0070.05714.60
5.3.210.0030.05714.61
5.3.200.0070.07014.61
5.3.190.0000.04314.52
5.3.180.0100.06714.62
5.3.170.0130.06314.60
5.3.160.0030.07314.58
5.3.150.0000.05714.62
5.3.140.0000.07314.66
5.3.130.0000.05714.54
5.3.120.0000.08014.52
5.3.110.0030.08314.59
5.3.100.0100.05714.14
5.3.90.0100.05314.10
5.3.80.0030.06314.09
5.3.70.0030.07313.90
5.3.60.0100.06014.06
5.3.50.0000.07313.94
5.3.40.0030.07714.02
5.3.30.0070.06713.88
5.3.20.0030.06713.72
5.3.10.0000.06313.74
5.3.00.0030.07313.59
5.2.170.0000.05011.14
5.2.160.0000.04011.20
5.2.150.0000.06711.23
5.2.140.0030.05011.25
5.2.130.0000.05711.20
5.2.120.0000.06311.00
5.2.110.0000.05711.14
5.2.100.0070.05311.16
5.2.90.0000.06311.16
5.2.80.0000.06311.14
5.2.70.0000.06011.07
5.2.60.0100.05310.91
5.2.50.0070.05311.06
5.2.40.0000.05710.97
5.2.30.0070.05710.98
5.2.20.0030.06010.92
5.2.10.0070.05710.96
5.2.00.0000.06310.76
5.1.60.0000.05310.61
5.1.50.0000.05310.61
5.1.40.0030.05010.61
5.1.30.0030.05710.61
5.1.20.0030.05010.61
5.1.10.0000.05310.61
5.1.00.0030.05310.61
5.0.50.0030.04710.61
5.0.40.0030.04010.61
5.0.30.0030.06010.61
5.0.20.0030.04010.61
5.0.10.0100.02710.61
5.0.00.0030.05710.61
4.4.90.0030.03310.61
4.4.80.0000.03710.61
4.4.70.0000.03310.61
4.4.60.0000.03310.61
4.4.50.0030.02710.61
4.4.40.0000.05310.61
4.4.30.0070.03310.61
4.4.20.0000.04010.61
4.4.10.0070.03010.61
4.4.00.0000.05310.61
4.3.110.0000.03710.61
4.3.100.0000.03310.61
4.3.90.0030.03010.61
4.3.80.0030.04710.61
4.3.70.0000.03010.61
4.3.60.0000.03310.61
4.3.50.0030.03310.61
4.3.40.0030.05010.61
4.3.30.0000.03010.61
4.3.20.0000.03710.61
4.3.10.0000.03710.61
4.3.00.0000.03310.61

preferences:
43.38 ms | 400 KiB | 5 Q