3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = NULL; $y = NULL; $z = 3; $result = !empty($x) ? $x : (!empty($y) ? $y : (!empty($z) ? $z : 'empty')); echo $result . "\n"; // Using in PHP 7 $result2 = $x ?? $y ?? $z; echo $result2 . "\n";

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)
8.3.60.0070.01016.38
8.3.50.0160.00316.13
8.3.40.0070.01418.50
8.3.30.0110.00418.36
8.3.20.0040.00420.26
8.3.10.0040.00423.52
8.3.00.0040.00423.34
8.2.180.0070.01518.16
8.2.170.0090.00618.68
8.2.160.0100.00722.96
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0080.00019.27
8.2.120.0000.00826.35
8.2.110.0000.00920.11
8.2.100.0060.00620.19
8.2.90.0030.00619.23
8.2.80.0000.00817.97
8.2.70.0040.00417.62
8.2.60.0040.00418.03
8.2.50.0080.00418.07
8.2.40.0030.00522.20
8.2.30.0000.00820.61
8.2.20.0040.00417.68
8.2.10.0040.00418.21
8.2.00.0030.00618.15
8.1.280.0130.01025.92
8.1.270.0000.01920.20
8.1.260.0040.00428.09
8.1.250.0050.00928.09
8.1.240.0030.00623.82
8.1.230.0040.00720.85
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0090.00017.00
8.1.190.0000.00817.22
8.1.180.0000.00718.10
8.1.170.0000.00818.66
8.1.160.0000.00720.79
8.1.150.0030.00618.78
8.1.140.0000.00819.48
8.1.130.0000.00817.68
8.1.120.0080.00317.19
8.1.110.0020.00517.32
8.1.100.0040.00417.43
8.1.90.0040.00417.48
8.1.80.0080.00017.32
8.1.70.0000.00717.33
8.1.60.0080.00017.54
8.1.50.0030.00517.49
8.1.40.0050.00317.54
8.1.30.0000.01117.53
8.1.20.0080.00017.53
8.1.10.0040.00417.51
8.1.00.0070.00017.29
8.0.300.0080.00018.77
8.0.290.0080.00016.88
8.0.280.0050.00218.43
8.0.270.0000.00717.17
8.0.260.0030.00317.17
8.0.250.0000.00716.96
8.0.240.0030.00316.90
8.0.230.0030.00316.95
8.0.220.0040.00416.85
8.0.210.0040.00416.86
8.0.200.0000.00616.97
8.0.190.0060.00316.96
8.0.180.0040.00416.80
8.0.170.0060.00316.82
8.0.160.0030.00316.95
8.0.150.0000.00816.83
8.0.140.0000.00716.72
8.0.130.0040.00413.34
8.0.120.0000.00716.87
8.0.110.0040.00316.85
8.0.100.0080.00016.77
8.0.90.0040.00416.78
8.0.80.0040.01216.90
8.0.70.0000.00716.73
8.0.60.0000.00816.86
8.0.50.0000.00716.76
8.0.30.0120.00717.02
8.0.20.0090.00817.40
8.0.10.0040.00417.06
8.0.00.0040.01316.81
7.4.330.0000.00516.67
7.4.320.0000.00616.56
7.4.300.0060.00016.55
7.4.290.0070.00016.57
7.4.280.0060.00316.56
7.4.270.0000.00716.50
7.4.260.0060.00316.57
7.4.250.0050.00316.50
7.4.240.0020.00616.53
7.4.230.0070.00016.56
7.4.220.0090.00916.63
7.4.210.0040.01116.54
7.4.200.0030.00316.45
7.4.160.0060.00916.43
7.4.150.0090.00917.40
7.4.140.0070.01417.86
7.4.130.0100.00716.48
7.4.120.0080.01216.46
7.4.110.0090.00916.33
7.4.100.0060.01616.71
7.4.90.0100.00716.45
7.4.80.0110.00619.39
7.4.70.0040.01116.53
7.4.60.0130.00316.39
7.4.50.0040.01116.48
7.4.40.0130.00916.58
7.4.30.0090.00916.39
7.4.10.0040.01515.13
7.4.00.0030.01414.81
7.3.330.0030.00313.04
7.3.320.0000.00512.94
7.3.310.0070.00016.32
7.3.300.0070.00016.23
7.3.290.0090.00716.18
7.3.280.0100.00716.18
7.3.270.0130.00317.40
7.3.260.0060.00916.21
7.3.250.0110.00716.12
7.3.240.0110.00616.35
7.3.230.0100.00716.39
7.3.210.0110.00816.17
7.3.200.0080.00816.37
7.3.190.0060.00916.29
7.3.180.0100.00716.32
7.3.170.0130.00616.31
7.3.160.0120.00316.22
7.3.130.0070.01014.69
7.3.120.0070.01014.44
7.3.110.0030.01314.79
7.3.100.0040.01214.54
7.3.90.0000.02014.68
7.3.80.0030.00914.78
7.3.70.0080.00414.52
7.3.60.0100.00314.79
7.3.50.0080.00414.62
7.3.40.0040.00814.71
7.3.30.0080.00614.39
7.3.20.0040.00416.54
7.3.10.0040.00416.73
7.3.00.0070.01016.75
7.2.330.0060.00916.68
7.2.320.0150.00416.63
7.2.310.0090.01216.66
7.2.300.0070.01016.52
7.2.290.0110.00716.74
7.2.260.0070.01015.16
7.2.250.0140.00015.20
7.2.240.0070.00715.27
7.2.230.0130.00315.29
7.2.220.0040.01215.16
7.2.210.0040.00715.20
7.2.200.0030.00915.11
7.2.190.0100.00314.95
7.2.180.0140.00314.70
7.2.170.0030.01215.08
7.2.160.0030.01015.14
7.2.150.0060.00916.79
7.2.140.0030.01016.89
7.2.130.0060.00316.62
7.2.120.0070.01016.89
7.2.110.0070.00716.81
7.2.100.0060.00316.71
7.2.90.0000.01616.99
7.2.80.0090.00616.93
7.2.70.0000.01617.05
7.2.60.0070.00816.90
7.2.50.0040.00816.78
7.2.40.0070.00416.87
7.2.30.0030.01017.02
7.2.20.0040.01116.88
7.2.10.0030.01016.86
7.2.00.0100.00318.10
7.1.330.0120.00315.89
7.1.320.0040.01515.84
7.1.310.0040.01215.55
7.1.300.0120.00615.71
7.1.290.0030.00615.57
7.1.280.0100.00315.40
7.1.270.0060.00915.67
7.1.260.0040.00415.97
7.1.250.0030.01315.74
7.1.240.0070.00715.50
7.1.230.0090.00315.72
7.1.220.0070.00715.50
7.1.210.0040.01115.56
7.1.200.0040.00715.58
7.1.190.0030.00615.70
7.1.180.0090.00315.68
7.1.170.0070.00415.61
7.1.160.0070.00715.66
7.1.150.0000.01215.63
7.1.140.0040.00715.88
7.1.130.0060.00615.73
7.1.120.0110.00415.48
7.1.110.0060.00815.72
7.1.100.0010.00816.84
7.1.90.0000.01015.69
7.1.80.0060.00615.93
7.1.70.0030.00816.54
7.1.60.0130.00317.62
7.1.50.0030.01316.28
7.1.40.0040.00815.69
7.1.30.0030.01015.48
7.1.20.0060.00915.67
7.1.10.0030.01115.61
7.1.00.0030.04319.08
7.0.330.0070.01115.48
7.0.320.0030.01015.41
7.0.310.0030.01015.29
7.0.300.0070.00715.19
7.0.290.0090.00015.52
7.0.280.0120.00315.32
7.0.270.0030.00715.65
7.0.260.0150.00015.37
7.0.250.0040.00715.34
7.0.240.0000.01415.05
7.0.230.0040.00815.33
7.0.220.0030.01415.59
7.0.210.0000.01015.45
7.0.200.0030.00715.90
7.0.190.0100.00315.27
7.0.180.0000.01015.19
7.0.170.0050.00315.33
7.0.160.0000.01315.30
7.0.150.0030.01015.30
7.0.140.0110.00715.27
7.0.130.0000.01415.39
7.0.120.0040.00815.54
7.0.110.0140.00015.49
7.0.100.0040.00715.60
7.0.90.0070.00715.05
7.0.80.0100.00015.45
7.0.70.0030.01315.49
7.0.60.0070.02817.71
7.0.50.0080.04116.67
7.0.40.0030.03016.90
7.0.30.0240.02816.77
7.0.20.0150.02616.73
7.0.10.0050.04816.79
7.0.00.0080.04316.80
5.6.400.0070.00714.37
5.6.390.0070.01014.38
5.6.380.0030.00914.12
5.6.370.0040.00814.05
5.6.360.0030.01014.17
5.6.350.0050.00514.11
5.6.340.0080.00614.26
5.6.330.0080.00414.18
5.6.320.0000.01314.08
5.6.310.0030.01014.09
5.6.300.0030.01314.27
5.6.290.0150.00414.14
5.6.280.0040.02017.66
5.6.270.0050.00513.91
5.6.260.0040.00814.20
5.6.250.0000.01114.25
5.6.240.0090.00614.01
5.6.230.0030.01014.02
5.6.220.0030.01214.05
5.6.210.0100.03717.47
5.6.200.0070.04116.22
5.6.190.0060.03017.33
5.6.180.0120.02317.23
5.6.170.0130.03117.41
5.6.160.0070.02717.29
5.6.150.0030.03016.31
5.6.140.0030.02316.21
5.6.130.0050.02516.16
5.6.120.0060.02217.48
5.6.110.0080.03417.61
5.6.100.0040.02317.46
5.6.90.0050.02517.70
5.6.80.0050.04717.32
5.6.70.0060.00614.01
5.6.60.0070.01014.27
5.6.50.0000.01113.88
5.6.40.0000.01513.94
5.6.30.0080.00814.14
5.6.20.0000.01313.98
5.6.10.0030.01014.29
5.6.00.0030.00913.90
5.5.380.0060.00613.79
5.5.370.0000.01513.89
5.5.360.0040.00414.23
5.5.350.0230.04017.20
5.5.340.0060.04516.04
5.5.330.0090.02317.02
5.5.320.0150.04517.25
5.5.310.0200.02217.20
5.5.300.0080.02916.23
5.5.290.0080.04216.00
5.5.280.0060.04217.25
5.5.270.0080.03117.36
5.5.260.0080.04517.28
5.5.250.0080.03517.20
5.5.240.0170.03817.14
5.5.230.0060.00613.88
5.5.220.0030.00713.99
5.5.210.0030.00713.77
5.5.200.0090.00314.05
5.5.190.0070.00414.11
5.5.180.0030.00913.81
5.5.170.0030.00914.02
5.5.160.0110.00314.11
5.5.150.0040.00813.68
5.5.140.0060.00914.07
5.5.130.0110.00314.15
5.5.120.0000.01613.84
5.5.110.0040.01414.02
5.5.100.0000.00913.89
5.5.90.0030.01014.14
5.5.80.0080.00413.85
5.5.70.0070.00413.87
5.5.60.0000.00914.03
5.5.50.0090.00314.18
5.5.40.0070.01013.96
5.5.30.0060.00914.23
5.5.20.0090.00313.91
5.5.10.0040.00813.74
5.5.00.0060.00313.95

preferences:
46.54 ms | 400 KiB | 5 Q