3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = false; var_dump($foo); $foo["bar"] = "baz"; var_dump($foo); echo("---\nSo changing a variable's type is perfectly fine, right?\n---\n"); $foo = 1.0; var_dump($foo); $foo["bar"] = "baz"; var_dump($foo);

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)
8.3.60.0070.01018.30
8.3.50.0110.00921.13
8.3.40.0090.00618.89
8.3.30.0080.00619.22
8.3.20.0030.00520.34
8.3.10.0040.00423.71
8.3.00.0040.00423.66
8.2.180.0120.00616.50
8.2.170.0070.00722.96
8.2.160.0030.01022.13
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.00617.88
8.2.110.0070.01019.45
8.2.100.0080.00317.63
8.2.90.0080.00019.31
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0000.00818.04
8.2.50.0050.00318.07
8.2.40.0030.00621.01
8.2.30.0070.00018.05
8.2.20.0080.00017.76
8.2.10.0070.00017.93
8.2.00.0040.00417.96
8.1.280.0130.01025.92
8.1.270.0030.00620.38
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00821.34
8.1.230.0000.01117.76
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00717.35
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0040.00418.61
8.1.160.0070.00022.01
8.1.150.0030.00518.68
8.1.140.0050.00217.43
8.1.130.0050.00217.55
8.1.120.0070.00017.30
8.1.110.0000.00717.41
8.1.100.0000.00917.42
8.1.90.0000.00817.46
8.1.80.0000.00817.44
8.1.70.0000.00717.46
8.1.60.0040.00417.41
8.1.50.0080.00017.45
8.1.40.0030.00617.50
8.1.30.0040.00417.43
8.1.20.0080.00017.55
8.1.10.0040.00417.55
8.1.00.0000.00717.37
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.45
8.0.270.0000.00717.19
8.0.260.0030.00317.17
8.0.250.0030.00416.83
8.0.240.0030.00316.86
8.0.230.0050.00216.94
8.0.220.0050.00316.77
8.0.210.0070.00016.92
8.0.200.0000.00816.84
8.0.190.0030.00616.97
8.0.180.0000.00716.93
8.0.170.0050.00516.94
8.0.160.0030.00316.81
8.0.150.0030.00316.85
8.0.140.0030.00516.83
8.0.130.0000.00613.36
8.0.120.0000.00716.84
8.0.110.0040.00416.82
8.0.100.0000.00716.69
8.0.90.0020.00516.71
8.0.80.0110.00816.77
8.0.70.0030.00616.88
8.0.60.0050.00316.85
8.0.50.0000.00716.71
8.0.30.0080.01317.16
8.0.20.0130.00917.40
8.0.10.0000.00817.00
8.0.00.0120.00516.78
7.4.330.0000.00515.16
7.4.320.0000.00616.54
7.4.300.0060.00016.52
7.4.290.0000.00716.53
7.4.280.0000.00716.45
7.4.270.0030.00416.38
7.4.260.0030.00316.50
7.4.250.0030.00316.32
7.4.240.0040.00416.50
7.4.230.0000.00716.35
7.4.220.0160.00616.65
7.4.210.0070.01016.54
7.4.200.0080.00016.30
7.4.160.0150.00016.38
7.4.150.0150.00617.40
7.4.140.0120.00617.86
7.4.130.0130.00716.52
7.4.120.0080.01016.60
7.4.110.0160.00716.43
7.4.100.0170.00016.54
7.4.90.0210.00016.38
7.4.80.0100.00719.39
7.4.70.0150.00316.49
7.4.60.0080.00816.52
7.4.50.0030.00316.34
7.4.40.0060.01016.50
7.4.30.0130.01016.45
7.4.00.0070.00714.89
7.3.330.0000.00613.02
7.3.320.0000.00513.11
7.3.310.0000.00716.09
7.3.300.0000.00716.29
7.3.290.0000.00616.12
7.3.280.0080.00816.27
7.3.270.0090.00917.40
7.3.260.0100.00716.32
7.3.250.0120.00716.38
7.3.240.0070.01016.21
7.3.230.0130.00416.39
7.3.210.0040.01216.44
7.3.200.0150.00316.49
7.3.190.0130.00316.39
7.3.180.0000.01516.43
7.3.170.0090.00816.56
7.3.160.0060.01316.43
7.3.10.0060.00916.76
7.3.00.0060.00616.70
7.2.330.0040.01516.39
7.2.320.0100.00716.35
7.2.310.0070.01016.64
7.2.300.0110.00616.79
7.2.290.0060.01616.27
7.2.130.0110.00416.86
7.2.120.0110.00416.79
7.2.110.0000.01216.70
7.2.100.0060.00616.67
7.2.90.0030.00716.85
7.2.80.0000.01416.97
7.2.70.0090.00616.90
7.2.60.0070.00716.71
7.2.50.0030.00916.81
7.2.40.0100.00616.76
7.2.30.0000.00816.90
7.2.20.0090.00617.02
7.2.10.0070.00316.85
7.2.00.0100.00016.60
7.1.250.0000.01515.88
7.1.200.0060.00615.62
7.1.100.1990.01016.41
7.1.70.0030.00617.20
7.1.60.0030.01519.42
7.1.50.0090.00316.57
7.1.00.0000.08022.29
7.0.200.0040.00416.55
7.0.60.0130.04321.66
7.0.50.0130.03717.88
7.0.40.0000.05720.02
7.0.30.0400.07020.42
7.0.20.0200.05020.18
7.0.10.0070.04020.17
7.0.00.0100.06020.04
5.6.280.0000.04720.90
5.6.210.0000.08320.61
5.6.200.0030.04718.18
5.6.190.0030.06020.41
5.6.180.3100.04720.61
5.6.170.0200.08720.51
5.6.160.0030.09020.38
5.6.150.0070.08318.15
5.6.140.0100.03718.11
5.6.130.0030.04018.12
5.6.120.0000.04321.11
5.6.110.0070.04020.99
5.6.100.0100.03720.95
5.6.90.0130.07720.84
5.6.80.0170.06720.35
5.5.350.0100.07720.35
5.5.340.0030.05318.02
5.5.330.0130.06320.28
5.5.320.0370.07020.27
5.5.310.0370.06720.50
5.5.300.0170.05317.92
5.5.290.0000.08317.89
5.5.280.0070.03720.84
5.5.270.0000.04320.71
5.5.260.0070.07320.75
5.5.250.0070.08720.61
5.5.240.0170.03020.11
5.4.450.0470.06019.11
5.4.440.0570.06319.63
5.4.430.0730.06019.62
5.4.420.0630.05319.27
5.4.410.0630.05719.46
5.4.400.0830.05319.18
5.4.390.0800.05718.93
5.4.380.0730.06318.95
5.4.370.0700.05718.81
5.4.360.0770.07019.10
5.4.350.1200.05719.14
5.4.340.0830.05018.97
5.4.320.0800.05019.27
5.4.310.0800.05019.18
5.4.300.0630.05019.14
5.4.290.0630.05018.91
5.4.280.0600.05319.28
5.4.270.0700.04318.80
5.4.260.0600.05719.18
5.4.250.0630.05019.19
5.4.240.0700.04019.26
5.4.230.0670.05019.19
5.4.220.0770.04018.77
5.4.210.0570.05318.91
5.4.200.0500.06016.67
5.4.190.0670.04719.24
5.4.180.0600.05319.24
5.4.170.0670.05318.79
5.4.160.0570.05318.90
5.4.150.0670.04719.03
5.4.140.0500.06016.24
5.4.130.0530.05316.41
5.4.120.0530.05316.24
5.4.110.0670.04316.32
5.4.100.0530.06316.40
5.4.90.0630.05016.39
5.4.80.0570.05316.23
5.4.70.0830.04316.41
5.4.60.0630.06316.41
5.4.50.0930.04716.33
5.4.40.0830.04716.16
5.4.30.0800.04716.43
5.4.20.0700.04316.15
5.4.10.0630.04716.32
5.4.00.0530.05715.63
5.3.290.0830.05014.52
5.3.280.0830.04314.57
5.3.270.0670.05314.70
5.3.260.0570.05714.48
5.3.250.0670.04714.36
5.3.240.0730.04314.55
5.3.230.0670.04714.56
5.3.220.0630.04714.54
5.3.210.0700.05314.41
5.3.200.0670.04714.60
5.3.190.0600.05314.45
5.3.180.0700.04014.44
5.3.170.0570.05314.56
5.3.160.0670.04714.66
5.3.150.0630.04714.54
5.3.140.0630.04714.41
5.3.130.0570.05714.49
5.3.120.0670.04714.52
5.3.110.0700.05014.38
5.3.100.0630.05313.89
5.3.90.0630.04713.92
5.3.80.0630.06013.80
5.3.70.0630.05014.03
5.3.60.0570.05713.88
5.3.50.0570.05313.82
5.3.40.0600.05014.04
5.3.30.0800.04313.79
5.3.20.0900.04013.59
5.3.10.0770.04713.52
5.3.00.0770.05013.41
5.2.170.0600.05011.04
5.2.160.0670.04311.00
5.2.150.0600.04311.00
5.2.140.0570.04711.30
5.2.130.0730.05710.95
5.2.120.0600.04710.99
5.2.110.0570.04710.95
5.2.100.0700.04010.99
5.2.90.0530.04010.89
5.2.80.0630.04310.93
5.2.70.0630.04311.14
5.2.60.0700.04011.11
5.2.50.0570.04711.06
5.2.40.0470.04310.88
5.2.30.0530.03710.90
5.2.20.0570.03711.04
5.2.10.0470.04011.01
5.2.00.0500.04010.68
5.1.60.0470.03310.15
5.1.50.0530.03310.08
5.1.40.0470.0379.94
5.1.30.0430.04010.25
5.1.20.0530.04010.42
5.1.10.0470.04010.01
5.1.00.0570.03010.07
5.0.50.0270.0278.71
5.0.40.0200.0308.45
5.0.30.0230.0408.16
5.0.20.0230.0278.18
5.0.10.0230.0278.31
5.0.00.0230.0408.15
4.4.90.0170.0235.84
4.4.80.0230.0175.82
4.4.70.0270.0175.79
4.4.60.0230.0235.73
4.4.50.0270.0175.79
4.4.40.0130.0435.83
4.4.30.0200.0235.78
4.4.20.0270.0235.81
4.4.10.0230.0235.88
4.4.00.0430.0335.78
4.3.110.0300.0275.79
4.3.100.0330.0305.80
4.3.90.0230.0205.72
4.3.80.0100.0375.79
4.3.70.0200.0235.70
4.3.60.0300.0275.74
4.3.50.0270.0275.72
4.3.40.0200.0335.75
4.3.30.0130.0234.52
4.3.20.0130.0334.44
4.3.10.0170.0234.46
4.3.00.0070.0237.18

preferences:
65.69 ms | 401 KiB | 5 Q