3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hash = null; var_dump($hash ?? 'test'); // output 'test' var_dump($hash ?: 'test'); // output 'test' $hash = ''; var_dump($hash ?? 'test'); // output '' var_dump($hash ?: 'test'); // output 'test'

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)
8.3.70.0110.00416.50
8.3.60.0140.01018.29
8.3.50.0060.01818.30
8.3.40.0180.00318.79
8.3.30.0070.00718.58
8.3.20.0040.00420.04
8.3.10.0050.00322.15
8.3.00.0040.00423.61
8.2.190.0070.01316.58
8.2.180.0100.00718.02
8.2.170.0070.01022.96
8.2.160.0070.00719.32
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00020.93
8.2.120.0040.00426.35
8.2.110.0080.00820.35
8.2.100.0110.00417.59
8.2.90.0000.00819.01
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0030.00717.93
8.2.50.0000.00818.10
8.2.40.0040.00420.46
8.2.30.0020.00519.23
8.2.20.0040.00418.05
8.2.10.0060.00317.98
8.2.00.0040.00418.11
8.1.280.0060.00825.92
8.1.270.0040.00421.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.86
8.1.230.0060.00622.66
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0070.00317.22
8.1.180.0040.00418.10
8.1.170.0000.00818.63
8.1.160.0000.00718.88
8.1.150.0040.00420.13
8.1.140.0000.00719.40
8.1.130.0000.00718.79
8.1.120.0040.00417.47
8.1.110.0000.00717.43
8.1.100.0040.00417.29
8.1.90.0030.00517.38
8.1.80.0000.00817.33
8.1.70.0030.00317.36
8.1.60.0000.00917.54
8.1.50.0080.00017.46
8.1.40.0050.00317.43
8.1.30.0000.00817.65
8.1.20.0050.00317.49
8.1.10.0050.00217.48
8.1.00.0080.00017.36
8.0.300.0070.00018.77
8.0.290.0000.00816.58
8.0.280.0030.00318.32
8.0.270.0000.00717.27
8.0.260.0070.00020.58
8.0.250.0080.00016.84
8.0.240.0030.00316.93
8.0.230.0000.00716.96
8.0.220.0040.00416.90
8.0.210.0000.00716.90
8.0.200.0070.00016.95
8.0.190.0110.00016.94
8.0.180.0030.00716.88
8.0.170.0070.00016.81
8.0.160.0050.00316.94
8.0.150.0070.00316.81
8.0.140.0050.00516.86
8.0.130.0050.00013.29
8.0.120.0000.00716.88
8.0.110.0040.00416.89
8.0.100.0040.00416.91
8.0.90.0000.00716.70
8.0.80.0030.01016.88
8.0.70.0000.00816.79
8.0.60.0040.00416.93
8.0.50.0040.00416.93
8.0.30.0090.00917.10
8.0.20.0090.01017.40
8.0.10.0050.00316.80
8.0.00.0100.01316.62
7.4.330.0050.00015.55
7.4.320.0070.00016.50
7.4.300.0060.00016.58
7.4.290.0030.00316.41
7.4.280.0000.00816.42
7.4.270.0000.00716.55
7.4.260.0030.00316.61
7.4.250.0000.00716.44
7.4.240.0080.00016.48
7.4.230.0070.00016.62
7.4.220.0130.00316.63
7.4.210.0000.01416.55
7.4.200.0080.00016.47
7.4.160.0060.00916.58
7.4.150.0100.00717.40
7.4.140.0110.00817.86
7.4.130.0120.00616.29
7.4.120.0070.01216.38
7.4.110.0080.00816.54
7.4.100.0110.00616.38
7.4.90.0030.01316.52
7.4.80.0030.01419.39
7.4.70.0070.01016.43
7.4.60.0090.00616.44
7.4.50.0030.00916.57
7.4.40.0070.01116.34
7.4.30.0100.00616.48
7.4.00.0070.01015.03
7.3.330.0070.00013.09
7.3.320.0000.00513.05
7.3.310.0070.00016.07
7.3.300.0030.00316.25
7.3.290.0060.00916.29
7.3.280.0070.01016.25
7.3.270.0140.00317.40
7.3.260.0140.00416.31
7.3.250.0100.00816.27
7.3.240.0060.01116.42
7.3.230.0060.01216.19
7.3.210.0090.00616.30
7.3.200.0100.00716.35
7.3.190.0090.00616.16
7.3.180.0130.00316.59
7.3.170.0050.01816.45
7.3.160.0060.01316.27
7.2.330.0090.00916.48
7.2.320.0030.01516.67
7.2.310.0100.00716.41
7.2.300.0130.01016.57
7.2.290.0090.00616.45
7.2.60.0100.00716.60
7.1.200.0070.00715.81
7.1.90.0080.00917.93
7.1.80.0050.01418.10
7.1.70.0080.00517.18
7.1.60.0180.01334.87
7.1.50.0190.01334.57
7.1.40.0170.01034.35
7.1.30.0190.01334.40
7.1.20.0220.01134.59
7.1.10.0040.01316.53
7.1.00.0100.00516.60
7.0.230.0110.00517.70
7.0.220.0010.01417.83
7.0.210.0080.00816.63
7.0.200.0090.00816.79
7.0.190.0100.00616.66
7.0.180.0060.01116.15
7.0.170.0070.00816.06
7.0.160.0050.00816.12
7.0.150.0030.01116.14
7.0.140.0000.01416.29
7.0.130.0050.01116.37
7.0.120.0040.01116.52
7.0.110.0050.01016.39
7.0.100.0040.01316.09
7.0.90.0020.01316.18
7.0.80.0040.01116.27
7.0.70.0030.01116.09
7.0.60.0070.00816.00
7.0.50.0080.00516.38
7.0.40.0050.00816.41
7.0.30.0050.00816.18
7.0.20.0070.00616.34
7.0.10.0100.00316.39
7.0.00.0050.00916.33
5.6.300.0060.06320.81
5.6.290.0100.06120.84
5.6.280.0140.05620.84
5.6.270.0120.06220.85
5.6.260.0080.06520.79
5.6.250.0100.06420.85
5.6.240.0030.07220.83
5.6.230.0130.06120.80
5.6.220.0070.05720.74
5.6.210.0100.05820.91
5.6.200.0050.06720.70
5.6.190.0080.05820.73
5.6.180.0150.05220.77
5.6.170.0070.06220.82
5.6.160.0120.05520.81
5.6.150.0100.05620.79
5.6.140.0060.06720.86
5.6.130.0070.06320.69
5.6.120.0080.06520.93
5.6.110.0100.05920.85
5.6.100.0070.06420.78
5.6.90.0070.06320.71
5.6.80.0090.05520.22
5.6.70.0080.05420.07
5.6.60.0050.06620.31
5.6.50.0050.05920.11
5.6.40.0100.06020.09
5.6.30.0060.07620.26
5.6.20.0070.06220.07
5.6.10.0080.05920.17
5.6.00.0100.05820.21
5.5.380.0070.07717.50
5.5.370.0150.06717.64
5.5.360.0100.06417.40
5.5.350.0030.06417.54
5.5.340.0050.07518.04
5.5.330.0100.05717.81
5.5.320.0090.07718.06
5.5.310.0030.06817.94
5.5.300.0200.06518.02
5.5.290.0130.07617.71
5.5.280.0120.07117.74
5.5.270.0130.06218.02
5.5.260.0070.06118.11
5.5.250.0100.05817.84
5.5.240.0120.05617.18
5.5.230.0070.06917.41
5.5.220.0020.07917.34
5.5.210.0120.06517.16
5.5.200.0100.06317.39
5.5.190.0120.06917.05
5.5.180.0090.07017.29
5.5.160.0100.06317.37
5.5.150.0130.05717.34
5.5.140.0100.05217.30
5.5.130.0040.05917.05
5.5.120.0100.06517.29
5.5.110.0120.06817.14
5.5.100.0150.06917.29
5.5.90.0160.06016.99
5.5.80.0150.05117.31
5.5.70.0040.06717.21
5.5.60.0160.06217.27
5.5.50.0320.04917.18
5.5.40.0190.06017.03
5.5.30.0110.06917.19
5.5.20.0160.05617.35
5.5.10.0060.07017.29
5.5.00.0030.06817.00
5.4.450.0310.05419.32
5.4.440.0130.06319.35
5.4.430.0090.05419.32
5.4.420.0080.05619.24
5.4.410.0130.05219.22
5.4.400.0170.05119.06
5.4.390.0030.07418.92
5.4.380.0090.07118.84
5.4.370.0210.05618.92
5.4.360.0120.06919.10
5.4.350.0170.06319.01
5.4.340.0030.06319.14
5.4.320.0200.06419.00
5.4.310.0100.06319.00
5.4.300.0090.07218.83
5.4.290.0050.07719.14
5.4.280.0060.07118.95
5.4.270.0180.06218.94
5.4.260.0120.06719.01
5.4.250.0040.05919.16
5.4.240.0070.06218.86
5.4.230.0070.05718.91
5.4.220.0130.06919.07
5.4.210.0070.07819.02
5.4.200.0070.07219.02
5.4.190.0120.07219.04
5.4.180.0110.06718.87
5.4.170.0070.05718.91
5.4.160.0100.05219.09
5.4.150.0310.05218.96
5.4.140.0090.07016.63
5.4.130.0160.05716.75
5.4.120.0130.06316.46
5.4.110.0030.06516.43
5.4.100.0100.05016.64
5.4.90.0040.06816.65
5.4.80.0060.05116.69
5.4.70.0130.04416.40
5.4.60.0060.04916.61
5.4.50.0130.05016.50
5.4.40.0130.06216.49
5.4.30.0070.07016.38
5.4.20.0110.04616.39
5.4.10.0170.06016.64
5.4.00.0120.06216.13
5.3.290.0150.06314.83
5.3.280.0070.05514.79
5.3.270.0100.05414.77
5.3.260.0230.05514.42
5.3.250.0220.05614.70
5.3.240.0130.05914.78
5.3.230.0090.06614.52
5.3.220.0190.04814.63
5.3.210.0090.05414.55
5.3.200.0070.05214.56
5.3.190.0060.05214.68
5.3.180.0060.05314.55
5.3.170.0060.05014.70
5.3.160.0030.05614.70
5.3.150.0000.06114.73
5.3.140.0120.06714.75
5.3.130.0070.07514.73
5.3.120.0030.07414.36
5.3.110.0220.05914.71
5.3.100.0160.06514.03
5.3.90.0040.07514.08
5.3.80.0070.05714.17
5.3.70.0070.05314.00
5.3.60.0130.04814.16
5.3.50.0160.05814.04
5.3.40.0140.04514.14
5.3.30.0070.05313.95
5.3.20.0000.06013.80
5.3.10.0070.05013.72
5.3.00.0080.05413.70
5.2.170.0160.04111.34
5.2.160.0030.04811.33
5.2.150.0070.05011.33
5.2.140.0070.04011.12
5.2.130.0030.05110.91
5.2.120.0140.04311.21
5.2.110.0150.03411.32
5.2.100.0150.03611.21
5.2.90.0000.04811.24
5.2.80.0100.05311.07
5.2.70.0060.05111.20
5.2.60.0070.05211.20
5.2.50.0200.04311.24
5.2.40.0070.03910.93
5.2.30.0100.03711.19
5.2.20.0140.04811.11
5.2.10.0060.04010.71
5.2.00.0070.04210.86
5.1.60.0070.03110.27
5.1.50.0110.03710.02
5.1.40.0070.04010.18
5.1.30.0030.03910.48
5.1.20.0000.04310.40
5.1.10.0000.04310.11
5.1.00.0070.03710.04
5.0.50.0040.0378.57
5.0.40.0030.0268.61
5.0.30.0070.0408.21
5.0.20.0060.0258.23
5.0.10.0070.0248.39
5.0.00.0030.0418.46
4.4.90.0050.0215.87
4.4.80.0060.0225.86
4.4.70.0060.0235.84
4.4.60.0040.0235.79
4.4.50.0040.0225.90
4.4.40.0110.0325.89
4.4.30.0090.0175.80
4.4.20.0030.0235.86
4.4.10.0000.0245.95
4.4.00.0030.0375.89
4.3.110.0030.0245.86
4.3.100.0050.0215.81
4.3.90.0030.0245.87
4.3.80.0060.0365.82
4.3.70.0030.0285.77
4.3.60.0000.0275.79
4.3.50.0000.0265.94
4.3.40.0030.0365.76
4.3.30.0060.0195.72
4.3.20.0090.0205.72
4.3.10.0030.0225.72
4.3.00.0050.0295.72

preferences:
19.43 ms | 401 KiB | 5 Q