3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 5; $zero = 0; $null = null; echo $null ?? $value; echo null ?? $value ?? $null; echo null ?? $zero ?? $value;

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)
8.3.70.0110.01118.55
8.3.60.0070.01016.38
8.3.50.0080.00822.05
8.3.40.0090.00618.71
8.3.30.0180.00418.54
8.3.20.0040.00420.21
8.3.10.0080.00023.48
8.3.00.0040.00419.38
8.2.180.0030.01718.31
8.2.170.0130.00722.96
8.2.160.0070.00720.35
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0080.00020.50
8.2.120.0080.00026.35
8.2.110.0060.00319.08
8.2.100.0090.00317.93
8.2.90.0080.00019.14
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0030.00618.05
8.2.50.0030.00618.07
8.2.40.0000.00819.37
8.2.30.0030.00520.51
8.2.20.0000.00917.67
8.2.10.0040.00417.86
8.2.00.0040.00418.05
8.1.280.0040.01125.92
8.1.270.0180.00023.84
8.1.260.0000.00828.09
8.1.250.0030.00728.09
8.1.240.0000.00920.91
8.1.230.0080.00317.70
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0050.00217.47
8.1.180.0030.00618.10
8.1.170.0060.00318.50
8.1.160.0030.00321.93
8.1.150.0000.00818.81
8.1.140.0000.00819.43
8.1.130.0000.00717.66
8.1.120.0000.00717.38
8.1.110.0030.00317.29
8.1.100.0040.00417.37
8.1.90.0030.00517.29
8.1.80.0000.00717.31
8.1.70.0040.00417.34
8.1.60.0050.00317.55
8.1.50.0030.00617.46
8.1.40.0040.00417.38
8.1.30.0050.00317.41
8.1.20.0070.00017.51
8.1.10.0060.00317.48
8.1.00.0040.00417.40
8.0.300.0090.00018.77
8.0.290.0050.00316.75
8.0.280.0070.00018.37
8.0.270.0000.00717.25
8.0.260.0000.00617.29
8.0.250.0070.00017.05
8.0.240.0030.00517.06
8.0.230.0020.00516.96
8.0.220.0030.00316.87
8.0.210.0040.00416.89
8.0.200.0030.00316.85
8.0.190.0020.00516.87
8.0.180.0030.00316.88
8.0.170.0050.00316.84
8.0.160.0070.00316.89
8.0.150.0030.00316.88
8.0.140.0040.00416.73
8.0.130.0030.00313.26
8.0.120.0000.00816.77
8.0.110.0040.00416.77
8.0.100.0000.00816.84
8.0.90.0070.00016.66
8.0.80.0060.00816.80
8.0.70.0050.00216.71
8.0.60.0070.00016.75
8.0.50.0030.00316.89
8.0.30.0060.01117.11
8.0.20.0120.01117.40
8.0.10.0000.00716.85
8.0.00.0090.00816.69
7.4.330.0050.00016.79
7.4.320.0030.00316.29
7.4.300.0030.00616.54
7.4.290.0030.00316.52
7.4.280.0070.00016.56
7.4.270.0050.00316.54
7.4.260.0000.00916.39
7.4.250.0040.00416.54
7.4.240.0030.00316.42
7.4.230.0030.00316.44
7.4.220.0070.01416.45
7.4.210.0060.00916.39
7.4.200.0040.00416.52
7.4.160.0000.01516.58
7.4.150.0070.01117.40
7.4.140.0100.01017.86
7.4.130.0070.01116.40
7.4.120.0080.00916.46
7.4.110.0110.00816.46
7.4.100.0120.00916.23
7.4.90.0080.00916.41
7.4.80.0120.00619.39
7.4.70.0120.00616.53
7.4.60.0040.01116.45
7.4.50.0060.00916.37
7.4.40.0100.00616.35
7.4.30.0030.01416.49
7.4.00.0050.01014.71
7.3.330.0050.00013.01
7.3.320.0000.00513.09
7.3.310.0000.00716.27
7.3.300.0030.00316.16
7.3.290.0080.00916.27
7.3.280.0080.00916.29
7.3.270.0080.00917.40
7.3.260.0120.00616.20
7.3.250.0130.00716.39
7.3.240.0110.00716.32
7.3.230.0100.00616.39
7.3.210.0030.01616.50
7.3.200.0090.00916.53
7.3.190.0120.00916.26
7.3.180.0160.00316.44
7.3.170.0060.02016.45
7.3.160.0060.00916.35
7.3.120.0090.00714.76
7.3.110.0050.01214.75
7.3.100.0060.01014.85
7.3.90.0050.01214.79
7.3.80.0050.01014.78
7.3.70.0050.00614.74
7.3.60.0040.00914.73
7.3.50.0080.00514.62
7.3.40.0060.00914.71
7.3.30.0060.00414.66
7.3.20.0060.00616.46
7.3.10.0060.00616.56
7.3.00.0070.00716.54
7.2.330.0060.01216.37
7.2.320.0110.00616.52
7.2.310.0090.00616.27
7.2.300.0090.00716.36
7.2.290.0130.00316.66
7.2.250.0100.01014.63
7.2.240.0060.00814.73
7.2.230.0080.00514.94
7.2.220.0070.00814.67
7.2.210.0090.00514.78
7.2.200.0080.00514.98
7.2.190.0050.01114.78
7.2.180.0040.01114.99
7.2.170.0080.00714.99
7.2.160.0000.01514.85
7.2.150.0040.01216.88
7.2.140.0070.01016.51
7.2.130.0030.01316.70
7.2.120.0060.01216.58
7.2.110.0040.01116.73
7.2.100.0070.00716.82
7.2.90.0070.01016.75
7.2.80.0110.00316.50
7.2.70.0110.00316.91
7.2.60.0060.00616.58
7.2.50.0070.00716.74
7.2.40.0080.00816.73
7.2.30.0080.00316.77
7.2.20.0140.00316.65
7.2.10.0070.01016.89
7.2.00.0060.00817.98
7.1.330.0080.00915.76
7.1.320.0060.00715.66
7.1.310.0070.00815.82
7.1.300.0020.00915.60
7.1.290.0100.00715.62
7.1.280.0080.00615.65
7.1.270.0100.00315.61
7.1.260.0050.01015.68
7.1.250.0060.01015.76
7.1.200.0040.00415.32
7.1.100.0000.01217.54
7.1.70.0020.00517.03
7.1.60.0000.01719.36
7.1.50.0040.01816.81
7.1.00.0030.07722.35
7.0.200.0040.00416.60
7.0.60.0070.07019.91
7.0.50.0070.04717.77
7.0.40.0000.06020.07
7.0.30.0070.07720.09
7.0.20.0300.07320.01
7.0.10.0130.08320.16
7.0.00.0030.04320.08
5.6.280.0030.03020.98
5.6.210.0100.07720.64
5.6.200.0170.07018.18
5.6.190.0130.05020.55
5.6.180.0400.04020.50
5.6.170.0270.05720.62
5.6.160.0070.06020.55
5.6.150.0030.06018.22
5.6.140.0030.06718.18
5.6.130.0070.05718.29
5.6.120.0130.08021.14
5.6.110.0130.06021.00
5.6.100.0070.04020.98
5.6.90.0100.08320.96
5.6.80.0070.05020.48
5.5.350.0170.06320.40
5.5.340.0030.09017.98
5.5.330.0100.07320.43
5.5.320.0030.03720.37
5.5.310.0370.06720.24
5.5.300.0070.08318.08
5.5.290.0070.07718.05
5.5.280.0030.09320.77
5.5.270.0070.06720.72
5.5.260.0070.07320.76
5.5.250.0130.06320.58
5.5.240.0130.04020.11

preferences:
52.39 ms | 401 KiB | 5 Q