3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; $b = 'test'; $c = "tset"; $d = 123; $e = '123'; $f = "123"; $g = ''; $h = ""; $i = false; echo $a ?? $b;

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)
8.3.60.0180.00016.63
8.3.50.0220.00522.05
8.3.40.0110.00718.70
8.3.30.0120.00318.54
8.3.20.0070.00020.05
8.3.10.0040.00421.78
8.3.00.0080.00019.57
8.2.180.0090.00618.14
8.2.170.0070.00722.96
8.2.160.0030.01320.47
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00419.07
8.2.120.0040.00426.35
8.2.110.0110.00020.99
8.2.100.0090.00317.91
8.2.90.0000.00819.07
8.2.80.0050.00317.97
8.2.70.0080.00017.63
8.2.60.0080.00017.90
8.2.50.0000.00818.07
8.2.40.0100.00019.39
8.2.30.0000.00820.67
8.2.20.0070.00017.60
8.2.10.0000.00817.86
8.2.00.0000.00717.98
8.1.280.0090.00625.92
8.1.270.0080.00022.18
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0090.00022.14
8.1.230.0040.00818.96
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0040.00417.25
8.1.190.0080.00017.38
8.1.180.0080.00018.10
8.1.170.0000.00818.65
8.1.160.0030.00320.69
8.1.150.0030.00518.86
8.1.140.0050.00319.42
8.1.130.0070.00017.63
8.1.120.0040.00417.32
8.1.110.0000.00817.27
8.1.100.0040.00417.34
8.1.90.0080.00017.25
8.1.80.0000.00717.46
8.1.70.0040.00417.23
8.1.60.0040.00417.52
8.1.50.0040.00417.41
8.1.40.0040.00417.52
8.1.30.0060.00317.60
8.1.20.0000.00717.57
8.1.10.0050.00317.40
8.1.00.0050.00217.39
8.0.300.0090.00018.84
8.0.290.0040.00416.75
8.0.280.0000.00718.44
8.0.270.0070.00017.14
8.0.260.0000.00717.23
8.0.250.0030.00316.86
8.0.240.0070.00016.90
8.0.230.0030.00316.81
8.0.220.0040.00416.79
8.0.210.0050.00216.81
8.0.200.0050.00316.88
8.0.190.0030.00516.81
8.0.180.0030.00316.84
8.0.170.0040.00416.86
8.0.160.0000.00716.73
8.0.150.0000.00716.86
8.0.140.0000.00716.77
8.0.130.0030.00313.20
8.0.120.0000.00816.71
8.0.110.0000.00816.76
8.0.100.0040.00416.79
8.0.90.0040.00416.84
8.0.80.0120.00316.85
8.0.70.0050.00216.67
8.0.60.0000.00716.67
8.0.50.0000.00716.86
8.0.30.0100.00717.05
8.0.20.0100.01517.40
8.0.10.0000.00816.90
8.0.00.0120.00516.78
7.4.330.0000.00516.76
7.4.320.0050.00316.47
7.4.300.0070.00016.41
7.4.290.0040.00416.42
7.4.280.0070.00416.53
7.4.270.0070.00016.52
7.4.260.0070.00016.52
7.4.250.0070.00016.45
7.4.240.0030.00516.50
7.4.230.0070.00016.53
7.4.220.0130.00616.39
7.4.210.0090.00716.44
7.4.200.0050.00216.64
7.4.160.0110.00516.33
7.4.150.0160.01017.40
7.4.140.0110.01017.86
7.4.130.0090.00916.53
7.4.120.0080.01016.44
7.4.110.0130.00316.42
7.4.100.0070.01116.47
7.4.90.0120.00616.54
7.4.80.0030.01919.39
7.4.70.0030.01316.58
7.4.60.0060.00916.44
7.4.50.0060.00916.33
7.4.40.0090.00616.50
7.4.30.0090.00616.38
7.4.10.0110.00714.76
7.4.00.0080.00814.96
7.3.330.0000.00513.12
7.3.320.0050.00013.08
7.3.310.0000.00716.26
7.3.300.0040.00416.20
7.3.290.0000.00716.21
7.3.280.0080.01016.13
7.3.270.0060.01217.40
7.3.260.0070.01016.17
7.3.250.0050.01116.23
7.3.240.0100.01116.24
7.3.230.0110.00716.39
7.3.210.0090.00616.27
7.3.200.0100.00716.28
7.3.190.0130.00216.46
7.3.180.0110.00416.40
7.3.170.0060.01216.27
7.3.160.0000.01716.42
7.3.130.0050.00714.74
7.3.120.0060.01214.73
7.3.110.0040.01414.56
7.3.100.0080.00414.46
7.3.90.0070.00314.79
7.3.80.0110.00314.79
7.3.70.0030.00714.55
7.3.60.0060.01014.79
7.3.50.0100.00014.86
7.3.40.0060.00314.63
7.3.30.0110.00014.72
7.3.20.0070.00316.73
7.3.10.0060.00916.54
7.3.00.0110.00416.52
7.2.330.0130.00316.48
7.2.320.0100.01016.63
7.2.310.0130.01016.21
7.2.300.0140.00316.52
7.2.290.0100.00716.40
7.2.260.0070.01314.65
7.2.250.0060.01314.72
7.2.240.0000.01314.70
7.2.230.0060.01014.90
7.2.220.0000.00914.90
7.2.210.0090.00614.90
7.2.200.0060.00615.02
7.2.190.0030.01215.01
7.2.180.0000.00814.77
7.2.170.0000.01215.06
7.2.160.0040.01214.92
7.2.150.0030.01216.87
7.2.140.0070.01016.73
7.2.130.0110.00716.61
7.2.120.0100.00316.70
7.2.110.0030.01016.81
7.2.100.0050.00716.78
7.2.90.0050.01016.79
7.2.80.0080.00616.69
7.2.70.0070.00716.70
7.2.60.0050.01016.69
7.2.50.0030.01216.74
7.2.40.0070.00916.72
7.2.30.0050.01016.88
7.2.20.0060.01016.63
7.2.10.0090.00416.53
7.2.00.0070.00817.37
7.1.330.0080.00415.53
7.1.320.0000.01415.77
7.1.310.0030.01015.81
7.1.300.0000.01315.67
7.1.290.0000.01715.78
7.1.280.0060.00615.64
7.1.270.0060.00315.62
7.1.260.0030.00615.90
7.1.250.0080.00515.70
7.1.240.0060.00315.92
7.1.230.0030.01015.57
7.1.220.0080.00015.71
7.1.210.0070.00715.50
7.1.200.0060.00715.70
7.1.190.0080.00615.55
7.1.180.0040.00415.89
7.1.170.0000.00915.46
7.1.160.0100.00315.58
7.1.150.0030.00615.38
7.1.140.0110.00415.67
7.1.130.0070.01115.60
7.1.120.0060.00715.75
7.1.110.0040.01115.63
7.1.100.0090.00616.90
7.1.90.0120.00015.72
7.1.80.0030.00915.73
7.1.70.0030.00716.18
7.1.60.0130.00617.61
7.1.50.0080.01015.95
7.1.40.0030.00715.88
7.1.30.0030.00915.72
7.1.20.0060.00815.78
7.1.10.0060.00615.67
7.1.00.0030.04119.11
7.0.330.0060.00615.35
7.0.320.0060.00315.33
7.0.310.0050.00515.20
7.0.300.0040.01115.14
7.0.290.0100.00315.32
7.0.280.0090.00015.39
7.0.270.0000.00915.26
7.0.260.0070.00315.21
7.0.250.0030.01015.34
7.0.240.0040.01115.31
7.0.230.0040.01115.41
7.0.220.0100.00315.33
7.0.210.0000.01115.48
7.0.200.0160.00614.90
7.0.190.0030.01015.12
7.0.180.0070.00315.25
7.0.170.0050.00515.43
7.0.160.0070.00415.39
7.0.150.0030.00715.48
7.0.140.0000.01215.45
7.0.130.0070.00415.47
7.0.120.0070.00715.48
7.0.110.0000.01315.41
7.0.100.0090.00315.52
7.0.90.0090.00315.52
7.0.80.0030.01015.46
7.0.70.0110.00315.33
7.0.60.0110.04117.79
7.0.50.0070.04216.70
7.0.40.0070.04416.85
7.0.30.0260.03616.66
7.0.20.0120.02916.82
7.0.10.0080.02516.80
7.0.00.0070.03216.81
5.6.400.0060.00314.13
5.6.390.0030.01414.12
5.6.380.0000.00914.03
5.6.370.0040.00814.16
5.6.360.0040.01114.11
5.6.350.0030.01014.19
5.6.340.0000.00813.99
5.6.330.0060.00613.79
5.6.320.0030.01014.16
5.6.310.0060.00613.96
5.6.300.0060.00914.19
5.6.290.0070.01014.13
5.6.280.0060.01817.45
5.6.270.0040.01114.23
5.6.260.0100.00314.20
5.6.250.0060.00613.93
5.6.240.0070.00414.16
5.6.230.0040.01114.07
5.6.220.0000.01413.99
5.6.210.0060.03217.21
5.6.200.0070.02816.08
5.6.190.0080.04317.25
5.6.180.0240.04417.33
5.6.170.0070.02517.38
5.6.160.0060.02417.35
5.6.150.0080.04016.20
5.6.140.0070.04516.27
5.6.130.0070.03316.02
5.6.120.0050.04417.53
5.6.110.0120.04517.57
5.6.100.0080.03517.52
5.6.90.0020.02517.56
5.6.80.0080.03317.29
5.6.70.0060.00614.01
5.6.60.0150.00013.94
5.6.50.0000.00914.00
5.6.40.0060.00913.96
5.6.30.0090.00614.14
5.6.20.0040.01113.96
5.6.10.0080.00313.98
5.6.00.0120.00014.07
5.5.380.0040.00813.82
5.5.370.0070.00413.99
5.5.360.0060.00913.67
5.5.350.1950.02117.23
5.5.340.0080.02516.13
5.5.330.0080.02117.34
5.5.320.0000.04317.02
5.5.310.0150.02617.13
5.5.300.0100.03216.04
5.5.290.0100.01816.08
5.5.280.0080.02317.30
5.5.270.0100.03717.49
5.5.260.0080.03917.24
5.5.250.0100.04717.29
5.5.240.0100.02517.00
5.5.230.0070.00414.07
5.5.220.0070.00713.96
5.5.210.0100.00313.93
5.5.200.0040.01413.80
5.5.190.0100.00713.54
5.5.180.0070.01013.92
5.5.170.0070.00313.99
5.5.160.0030.01013.88
5.5.150.0060.00313.83
5.5.140.0140.00313.85
5.5.130.0070.00714.01
5.5.120.0100.00713.97
5.5.110.0000.01513.78
5.5.100.0120.00314.11
5.5.90.0000.00913.76
5.5.80.0040.00713.94
5.5.70.0000.01113.73
5.5.60.0060.00913.70
5.5.50.0090.00613.93
5.5.40.0050.00314.02
5.5.30.0040.00714.11
5.5.20.0030.01313.51
5.5.10.0000.00813.75
5.5.00.0050.00314.14

preferences:
53.34 ms | 401 KiB | 5 Q