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 ?? $e;

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)
8.3.70.0070.01416.58
8.3.60.0120.00816.35
8.3.50.0080.01021.92
8.3.40.0110.00418.49
8.3.30.0170.00318.42
8.3.20.0080.00020.30
8.3.10.0040.00421.77
8.3.00.0000.00719.79
8.2.180.0120.00318.16
8.2.170.0110.00422.96
8.2.160.0030.01220.44
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00919.27
8.2.120.0000.00826.35
8.2.110.0040.00420.57
8.2.100.0090.00317.93
8.2.90.0000.00819.22
8.2.80.0090.00017.97
8.2.70.0000.00817.50
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0020.00919.45
8.2.30.0070.00020.49
8.2.20.0040.00417.66
8.2.10.0000.00718.09
8.2.00.0040.00417.92
8.1.280.0090.00625.92
8.1.270.0030.00622.23
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0040.00817.54
8.1.220.0090.00017.79
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0030.00717.14
8.1.180.0000.00818.10
8.1.170.0030.00518.51
8.1.160.0040.00420.74
8.1.150.0040.00418.81
8.1.140.0050.00319.39
8.1.130.0030.00317.67
8.1.120.0000.00717.44
8.1.110.0070.00017.28
8.1.100.0040.00417.29
8.1.90.0080.00017.42
8.1.80.0050.00217.45
8.1.70.0070.00017.31
8.1.60.0030.00617.52
8.1.50.0080.00017.46
8.1.40.0040.00417.50
8.1.30.0040.00417.51
8.1.20.0000.00717.58
8.1.10.0050.00317.49
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0070.00018.49
8.0.270.0070.00017.36
8.0.260.0000.00617.09
8.0.250.0030.00316.99
8.0.240.0040.00416.93
8.0.230.0030.00316.77
8.0.220.0000.00716.71
8.0.210.0040.00416.71
8.0.200.0030.00316.77
8.0.190.0080.00016.84
8.0.180.0040.00416.75
8.0.170.0070.00016.81
8.0.160.0030.00416.80
8.0.150.0000.00816.65
8.0.140.0000.00716.70
8.0.130.0030.00313.23
8.0.120.0000.00816.71
8.0.110.0000.00816.66
8.0.100.0000.00716.86
8.0.90.0070.00016.89
8.0.80.0090.00916.88
8.0.70.0000.00716.62
8.0.60.0000.00816.73
8.0.50.0000.00716.73
8.0.30.0100.00917.17
8.0.20.0090.01417.40
8.0.10.0040.00416.81
8.0.00.0130.00516.70
7.4.330.0060.00016.82
7.4.320.0030.00316.41
7.4.300.0030.00316.39
7.4.290.0040.00416.35
7.4.280.0070.00416.37
7.4.270.0000.00716.52
7.4.260.0070.00016.33
7.4.250.0030.00616.50
7.4.240.0040.00316.38
7.4.230.0000.00716.28
7.4.220.0190.00616.45
7.4.210.0090.00616.50
7.4.200.0000.00716.18
7.4.160.0130.00916.26
7.4.150.0090.01817.40
7.4.140.0090.00917.86
7.4.130.0110.00616.29
7.4.120.0130.00616.44
7.4.110.0080.00816.23
7.4.100.0130.00416.56
7.4.90.0060.01716.43
7.4.80.0140.00319.39
7.4.70.0030.01316.48
7.4.60.0130.00316.39
7.4.50.0090.00616.32
7.4.40.0070.01016.23
7.4.30.0140.00716.48
7.4.10.0100.00714.95
7.4.00.0060.00814.91
7.3.330.0000.00612.95
7.3.320.0000.00513.11
7.3.310.0040.00416.21
7.3.300.0040.00416.20
7.3.290.0030.00316.18
7.3.280.0080.00816.20
7.3.270.0080.00817.40
7.3.260.0100.00716.17
7.3.250.0110.00616.27
7.3.240.0130.00616.24
7.3.230.0060.01116.39
7.3.210.0080.00816.29
7.3.200.0100.00516.29
7.3.190.0090.00916.21
7.3.180.0030.01316.39
7.3.170.0130.00816.27
7.3.160.0130.00316.54
7.3.130.0030.01414.66
7.3.120.0090.00814.83
7.3.110.0140.00314.79
7.3.100.0050.01014.78
7.3.90.0070.00714.66
7.3.80.0090.00314.90
7.3.70.0080.00614.58
7.3.60.0000.01014.68
7.3.50.0060.00514.71
7.3.40.0090.00314.61
7.3.30.0040.00714.66
7.3.20.0070.00816.44
7.3.10.0060.00616.51
7.3.00.0060.00816.55
7.2.330.0070.01016.38
7.2.320.0170.00316.65
7.2.310.0070.01016.56
7.2.300.0040.01216.61
7.2.290.0100.01416.59
7.2.260.0000.01714.88
7.2.250.0050.01214.78
7.2.240.0070.00815.15
7.2.230.0030.01014.78
7.2.220.0080.00415.08
7.2.210.0070.00714.88
7.2.200.0060.00815.04
7.2.190.0040.00914.70
7.2.180.0030.01014.83
7.2.170.0050.00814.88
7.2.160.0070.00715.00
7.2.150.0050.00816.84
7.2.140.0050.00716.87
7.2.130.0070.01016.79
7.2.120.0100.00516.85
7.2.110.0080.00716.71
7.2.100.0100.00316.81
7.2.90.0100.00816.63
7.2.80.0070.01416.85
7.2.70.0120.00616.79
7.2.60.0040.01116.89
7.2.50.0060.01216.77
7.2.40.0050.00916.76
7.2.30.0040.01016.76
7.2.20.0030.01216.79
7.2.10.0030.01016.77
7.2.00.0030.00917.22
7.1.330.0060.00815.57
7.1.320.0000.01315.69
7.1.310.0030.00715.74
7.1.300.0080.00315.52
7.1.290.0080.00515.80
7.1.280.0030.01115.62
7.1.270.0050.01015.69
7.1.260.0070.00315.72
7.1.250.0060.00715.57
7.1.240.0080.00615.64
7.1.230.0080.00515.60
7.1.220.0080.00715.53
7.1.210.0080.01015.64
7.1.200.0100.00715.41
7.1.190.0090.00615.79
7.1.180.0070.00815.63
7.1.170.0070.00715.55
7.1.160.0080.00415.49
7.1.150.0060.00815.57
7.1.140.0080.00315.71
7.1.130.0040.00715.67
7.1.120.0030.00915.68
7.1.110.0090.00315.54
7.1.100.0070.00516.31
7.1.90.0040.00815.72
7.1.80.0050.00815.73
7.1.70.0080.00616.01
7.1.60.0060.01016.56
7.1.50.0050.00715.96
7.1.40.0060.00615.70
7.1.30.0060.00915.44
7.1.20.0030.01015.48
7.1.10.0020.00915.57
7.1.00.0030.02517.28
7.0.330.0040.00815.34
7.0.320.0070.00715.10
7.0.310.0050.01015.34
7.0.300.0080.00915.26
7.0.290.0080.00815.32
7.0.280.0050.00615.32
7.0.270.0030.00615.16
7.0.260.0050.00515.39
7.0.250.0030.00715.30
7.0.240.0070.00815.30
7.0.230.0100.00215.27
7.0.220.0040.00515.20
7.0.210.0040.00915.28
7.0.200.0110.00715.17
7.0.190.0070.00715.32
7.0.180.0060.00715.35
7.0.170.0030.00915.36
7.0.160.0060.00515.26
7.0.150.0070.00815.15
7.0.140.0070.00815.32
7.0.130.0060.00615.45
7.0.120.0090.00415.35
7.0.110.0020.01015.29
7.0.100.0040.00715.34
7.0.90.0040.00815.14
7.0.80.0070.00415.25
7.0.70.0010.00915.15
7.0.60.0060.01616.50
7.0.50.0040.02515.94
7.0.40.0040.02215.05
7.0.30.0170.01714.92
7.0.20.0080.01415.01
7.0.10.0080.02415.07
7.0.00.0060.02815.07
5.6.400.0100.00413.98
5.6.390.0050.00514.09
5.6.380.0060.00814.11
5.6.370.0070.00613.98
5.6.360.0040.01114.08
5.6.350.0090.00513.98
5.6.340.0070.00613.92
5.6.330.0070.00714.07
5.6.320.0110.00314.11
5.6.310.0030.00914.27
5.6.300.0050.00814.21
5.6.290.0050.00914.23
5.6.280.0040.01415.76
5.6.270.0060.00814.07
5.6.260.0070.00713.95
5.6.250.0050.00614.18
5.6.240.0080.00414.02
5.6.230.0060.00714.20
5.6.220.0060.00813.96
5.6.210.0060.01315.58
5.6.200.0060.01715.05
5.6.190.0070.02015.66
5.6.180.0140.01615.64
5.6.170.0100.01515.59
5.6.160.0060.01415.69
5.6.150.0060.02615.02
5.6.140.0020.02814.98
5.6.130.0020.01815.12
5.6.120.0050.01715.95
5.6.110.0050.01515.83
5.6.100.0090.02415.81
5.6.90.0070.02215.81
5.6.80.0070.02415.57
5.6.70.0050.00813.97
5.6.60.0060.00914.03
5.6.50.0040.01014.05
5.6.40.0060.00614.09
5.6.30.0060.00714.12
5.6.20.0050.00613.97
5.6.10.0070.00714.07
5.6.00.0030.00914.00
5.5.380.0050.00812.70
5.5.370.0050.00813.17
5.5.360.0050.00612.92
5.5.350.0130.02614.79
5.5.340.0050.02714.22
5.5.330.0050.01314.67
5.5.320.0070.02014.85
5.5.310.0070.01514.67
5.5.300.0060.01714.14
5.5.290.0060.02714.21
5.5.280.0060.02414.95
5.5.270.0040.01814.89
5.5.260.0060.02014.85
5.5.250.0070.01714.90
5.5.240.0100.02114.59
5.5.230.0040.00712.70
5.5.220.0070.00312.86
5.5.210.0030.00712.82
5.5.200.0030.00912.92
5.5.190.0040.00813.03
5.5.180.0050.00613.07
5.5.170.0040.00712.85
5.5.160.0040.00612.95
5.5.150.0050.00612.82
5.5.140.0080.00512.94
5.5.130.0060.00812.94
5.5.120.0070.00512.74
5.5.110.0030.01112.71
5.5.100.0020.00712.88
5.5.90.0010.01112.79
5.5.80.0030.00812.93
5.5.70.0060.00612.96
5.5.60.0040.01012.85
5.5.50.0070.00613.01
5.5.40.0040.01012.79
5.5.30.0070.00812.86
5.5.20.0060.00712.86
5.5.10.0050.00812.99
5.5.00.0070.00712.93

preferences:
66.19 ms | 401 KiB | 5 Q