3v4l.org

run code in 300+ PHP versions simultaneously
<?php function NC($x){ $y = array(); $y['test'] = $x; $returnThis = $y['test'] ?? "Foo"; return $returnThis; } NC(NULL); // I know this will return "Foo". /* But I have no clue about what these will return. */ var_dump(NC(0)); var_dump(NC(-1)); var_dump(NC("")); var_dump(NC(array()));

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)
8.3.60.0040.01116.61
8.3.50.0100.01221.30
8.3.40.0090.00618.84
8.3.30.0140.00418.71
8.3.20.0040.00420.39
8.3.10.0040.00421.60
8.3.00.0050.00319.69
8.2.180.0090.00916.75
8.2.170.0170.00322.96
8.2.160.0100.00320.53
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0090.00017.50
8.2.110.0030.00622.15
8.2.100.0090.00317.63
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0070.00317.63
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0000.00821.26
8.2.30.0050.00317.98
8.2.20.0050.00217.79
8.2.10.0040.00417.95
8.2.00.0040.00417.98
8.1.280.0100.01025.92
8.1.270.0050.00320.39
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00019.28
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0090.00017.35
8.1.190.0030.00617.23
8.1.180.0090.00018.10
8.1.170.0000.00718.65
8.1.160.0000.01121.92
8.1.150.0000.00818.84
8.1.140.0000.00817.40
8.1.130.0000.00717.63
8.1.120.0050.00217.43
8.1.110.0080.00017.38
8.1.100.0040.00417.43
8.1.90.0030.00517.35
8.1.80.0050.00217.31
8.1.70.0070.00017.38
8.1.60.0040.00417.58
8.1.50.0040.00417.41
8.1.40.0030.00617.52
8.1.30.0030.00517.57
8.1.20.0040.00417.63
8.1.10.0000.00817.50
8.1.00.0000.00717.37
8.0.300.0000.00818.77
8.0.290.0000.00816.61
8.0.280.0070.00018.38
8.0.270.0040.00417.04
8.0.260.0040.00417.18
8.0.250.0070.00016.79
8.0.240.0000.01016.94
8.0.230.0040.00716.79
8.0.220.0030.00316.77
8.0.210.0050.00516.70
8.0.200.0070.00016.79
8.0.190.0030.00516.79
8.0.180.0030.00416.91
8.0.170.0000.00716.84
8.0.160.0070.00016.72
8.0.150.0000.01116.79
8.0.140.0030.00616.74
8.0.130.0000.00513.23
8.0.120.0080.00016.84
8.0.110.0000.00716.78
8.0.100.0040.00416.78
8.0.90.0000.00716.77
8.0.80.0100.01016.75
8.0.70.0000.00816.63
8.0.60.0000.00816.65
8.0.50.0080.00016.90
8.0.30.0110.00817.03
8.0.20.0110.00717.40
8.0.10.0030.00516.78
8.0.00.0110.01016.62
7.4.330.0000.00515.09
7.4.320.0040.00416.58
7.4.300.0000.00616.49
7.4.290.0000.00716.61
7.4.280.0000.00716.50
7.4.270.0050.00216.53
7.4.260.0030.00316.54
7.4.250.0060.00316.49
7.4.240.0030.00516.42
7.4.230.0030.00316.59
7.4.220.0030.01616.49
7.4.210.0030.01016.63
7.4.200.0030.00316.62
7.4.160.0180.00716.31
7.4.150.0040.01417.40
7.4.140.0090.01017.86
7.4.130.0130.00616.54
7.4.120.0170.00416.61
7.4.110.0090.00916.45
7.4.100.0110.00716.61
7.4.90.0150.00316.48
7.4.80.0070.01019.39
7.4.70.0130.00316.45
7.4.60.0060.01016.40
7.4.50.0000.00816.38
7.4.40.0090.00616.45
7.4.30.0030.01616.46
7.4.00.0040.01414.93
7.3.330.0050.00013.38
7.3.320.0030.00313.32
7.3.310.0050.00216.21
7.3.300.0000.00716.32
7.3.290.0060.01316.33
7.3.280.0110.00916.35
7.3.270.0110.00717.40
7.3.260.0130.00316.69
7.3.250.0100.00916.40
7.3.240.0140.00316.41
7.3.230.0150.00916.54
7.3.210.0130.00916.52
7.3.200.0160.00316.22
7.3.190.0070.01116.45
7.3.180.0060.01416.49
7.3.170.0140.00416.38
7.3.160.0060.01216.52
7.3.120.0030.01014.75
7.3.110.0100.01014.63
7.3.100.0110.00414.84
7.3.90.0070.00714.61
7.3.80.0070.00714.55
7.3.70.0060.00614.69
7.3.60.0070.00714.70
7.3.50.0060.00614.54
7.3.40.0060.00615.02
7.3.30.0090.00614.76
7.3.20.0110.00016.49
7.3.10.0110.00516.53
7.3.00.0030.01216.65
7.2.330.0110.00716.46
7.2.320.0070.01716.38
7.2.310.0120.00416.37
7.2.300.0110.00716.70
7.2.290.0100.00716.62
7.2.250.0110.00714.88
7.2.240.0090.00914.77
7.2.230.0060.00615.13
7.2.220.0080.00814.95
7.2.210.0060.00915.16
7.2.200.0090.00914.78
7.2.190.0090.00614.94
7.2.180.0000.01115.15
7.2.170.0000.01714.92
7.2.130.0080.00616.94
7.2.120.0040.01116.71
7.2.110.0100.00316.82
7.2.100.0060.00616.82
7.2.90.0060.00916.75
7.2.80.0070.00416.85
7.2.70.0040.01217.02
7.2.60.0080.00616.92
7.2.50.0150.01116.70
7.2.40.0040.00816.86
7.2.30.0040.01116.76
7.2.20.0060.00916.62
7.2.10.0000.01316.70
7.2.00.0060.00918.19
7.1.330.0030.01015.79
7.1.320.0060.00316.08
7.1.310.0030.01015.42
7.1.300.0110.00415.63
7.1.290.0060.00615.75
7.1.280.0070.00715.70
7.1.270.0000.01815.71
7.1.260.0000.01415.80
7.1.250.0000.01015.78
7.1.200.0090.00915.16
7.1.100.0090.00418.20
7.1.70.0070.00717.14
7.1.60.0000.02420.03
7.1.50.0080.00417.02
7.1.00.0030.07722.35
7.0.200.0100.00316.57
7.0.60.0030.04320.02
7.0.50.0030.05717.89
7.0.40.0070.07020.04
7.0.30.0230.04720.25
7.0.20.0400.07020.25
7.0.10.0100.04020.09
7.0.00.0070.08020.25
5.6.210.0030.09020.60
5.6.200.0070.04018.30
5.6.190.0130.08020.61
5.6.180.0200.08320.63
5.6.170.0400.06720.40
5.6.160.0170.07320.39
5.6.150.0070.06018.19
5.6.140.0070.04718.18
5.6.130.0000.04318.27
5.6.120.0170.07721.00
5.6.110.0130.06320.98
5.6.100.0100.07020.97
5.6.90.0200.07021.04
5.6.80.0130.06320.49
5.5.350.0030.03320.44
5.5.340.0030.03718.05
5.5.330.0070.07720.45
5.5.320.0000.05320.36
5.5.310.0330.07020.51
5.5.300.0070.05317.96
5.5.290.0170.05717.93
5.5.280.0030.04720.74
5.5.270.0030.08720.64
5.5.260.0030.09020.77
5.5.250.0130.07320.66
5.5.240.0030.06720.28
5.4.450.0130.07719.58
5.4.440.0100.06019.57
5.4.430.0030.06019.47
5.4.420.0100.05719.30
5.4.410.0200.04719.32
5.4.400.0370.04319.38
5.4.390.0170.06019.06
5.4.380.0100.06319.30
5.4.370.0170.05719.30
5.4.360.0230.05319.12
5.4.350.0170.07019.21
5.4.340.0170.06019.23
5.4.320.0230.06319.22
5.4.310.0130.05019.25
5.4.300.0130.06319.25
5.4.290.0030.06319.15
5.4.280.0200.06019.27
5.4.270.0300.04019.14
5.4.260.0030.06018.84
5.4.250.0200.05018.86
5.4.240.0170.05019.13
5.4.230.0130.05019.01
5.4.220.0100.05719.30
5.4.210.0130.05319.02
5.4.200.0230.03717.11
5.4.190.0270.04019.34
5.4.180.0170.04718.92
5.4.170.0230.05319.11
5.4.160.0200.04318.99
5.4.150.0130.05019.01
5.4.140.0170.04316.34
5.4.130.0170.04016.41
5.4.120.0200.04016.32
5.4.110.0170.05716.55
5.4.100.0070.05716.55
5.4.90.0170.05016.30
5.4.80.0130.05016.46
5.4.70.0100.05716.40
5.4.60.0100.05316.33
5.4.50.0100.05316.52
5.4.40.0070.05716.47
5.4.30.0130.04716.47
5.4.20.0230.04316.39
5.4.10.0270.05716.70
5.4.00.0200.06316.02

preferences:
50.69 ms | 401 KiB | 5 Q