3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($a) { $page1 = isset($a['page']) ? $a['page'] : 1; echo 'P: ', $page1, "\n"; $page2 = $a['page'] ?? 1; echo 'P: ', $page2, "\n"; echo $page1 == $page2 ? 't' : 'n', "\n"; } $a = array('page' => 3); foo($a); $a = array(); foo($a); $a = array('page' => Null); foo($a); $a = array('page' => 0); foo($a); ?>

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)
8.3.60.0070.00718.31
8.3.50.0040.01119.85
8.3.40.0070.01018.71
8.3.30.0150.00718.54
8.3.20.0040.00420.19
8.3.10.0030.00521.85
8.3.00.0000.00917.59
8.2.180.0120.00616.38
8.2.170.0080.00822.96
8.2.160.0030.01019.41
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00022.26
8.2.120.0000.00726.35
8.2.110.0100.00019.06
8.2.100.0060.00618.03
8.2.90.0040.00419.29
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0000.00817.93
8.2.50.0000.00818.10
8.2.40.0000.00822.34
8.2.30.0040.00419.32
8.2.20.0000.00717.83
8.2.10.0050.00317.99
8.2.00.0080.00018.12
8.1.280.0100.01025.92
8.1.270.0090.00623.75
8.1.260.0040.00428.09
8.1.250.0000.00828.09
8.1.240.0090.00023.79
8.1.230.0070.00319.12
8.1.220.0080.00017.76
8.1.210.0030.00618.77
8.1.200.0000.01017.22
8.1.190.0000.00817.22
8.1.180.0030.00618.10
8.1.170.0080.00018.64
8.1.160.0040.00323.84
8.1.150.0080.00020.71
8.1.140.0040.00419.58
8.1.130.0030.00317.72
8.1.120.0070.00017.52
8.1.110.0000.00817.48
8.1.100.0040.00417.49
8.1.90.0040.00417.51
8.1.80.0050.00317.50
8.1.70.0050.00217.48
8.1.60.0000.00817.55
8.1.50.0000.00817.57
8.1.40.0060.00717.39
8.1.30.0030.00517.71
8.1.20.0000.00817.64
8.1.10.0000.00717.56
8.1.00.0060.00317.49
8.0.300.0050.00318.77
8.0.290.0000.00716.58
8.0.280.0030.00318.52
8.0.270.0030.00317.17
8.0.260.0030.00317.26
8.0.250.0060.00016.99
8.0.240.0000.00716.98
8.0.230.0080.00016.78
8.0.220.0000.00716.77
8.0.210.0000.00816.75
8.0.200.0000.00616.77
8.0.190.0040.00416.80
8.0.180.0000.00816.75
8.0.170.0000.00716.92
8.0.160.0040.00416.81
8.0.150.0000.00716.65
8.0.140.0000.00716.83
8.0.130.0030.00313.29
8.0.120.0080.00016.73
8.0.110.0040.00416.88
8.0.100.0070.00016.64
8.0.90.0050.00316.86
8.0.80.0130.00316.84
8.0.70.0000.00716.84
8.0.60.0040.00416.71
8.0.50.0040.00416.87
8.0.30.0060.01016.95
8.0.20.0090.01017.40
8.0.10.0000.00816.86
8.0.00.0130.01216.87
7.4.330.0000.00515.08
7.4.320.0060.00016.55
7.4.300.0060.00016.60
7.4.290.0030.00316.59
7.4.280.0030.00616.50
7.4.270.0030.00316.58
7.4.260.0070.00316.45
7.4.250.0040.00416.48
7.4.240.0000.00716.57
7.4.230.0000.00716.53
7.4.220.0070.01416.51
7.4.210.0150.00416.57
7.4.200.0040.00416.40
7.4.160.0120.00316.31
7.4.150.0070.01017.40
7.4.140.0080.01017.86
7.4.130.0060.01316.55
7.4.120.0120.00716.48
7.4.110.0030.01516.56
7.4.100.0100.01316.55
7.4.90.0200.00316.40
7.4.80.0030.01419.39
7.4.70.0100.00716.43
7.4.60.0160.00616.55
7.4.50.0040.01116.52
7.4.40.0100.00916.51
7.4.30.0150.00316.66
7.4.10.0070.01316.59
7.4.00.0090.00915.74
7.3.330.0000.00513.23
7.3.320.0030.00313.27
7.3.310.0000.00716.42
7.3.300.0060.00016.29
7.3.290.0080.00816.34
7.3.280.0090.00716.36
7.3.270.0100.00717.40
7.3.260.0060.01116.61
7.3.250.0110.00916.37
7.3.240.0120.00716.57
7.3.230.0120.00616.55
7.3.210.0100.00716.61
7.3.200.0060.01116.51
7.3.190.0090.00916.48
7.3.180.0180.00016.64
7.3.170.0070.01016.52
7.3.160.0040.01116.52
7.3.130.0090.00916.23
7.3.120.0070.01016.43
7.3.110.0030.01216.40
7.3.100.0040.01416.29
7.3.90.0080.00816.22
7.3.80.0070.00416.48
7.3.70.0100.00716.30
7.3.60.0060.00916.47
7.3.50.0070.01016.41
7.3.40.0070.00716.35
7.3.30.0030.00716.45
7.3.20.0030.01218.13
7.3.10.0060.01018.13
7.3.00.0040.01118.17
7.2.330.0090.00916.80
7.2.320.0140.01016.86
7.2.310.0180.00316.45
7.2.300.0130.01016.87
7.2.290.0100.01016.85
7.2.260.0100.01016.69
7.2.250.0170.00316.72
7.2.240.0070.01016.76
7.2.230.0100.00716.61
7.2.220.0090.00916.28
7.2.210.0070.01116.71
7.2.200.0070.01316.61
7.2.190.0030.01316.52
7.2.180.0000.01516.56
7.2.170.0100.00316.50
7.2.160.0030.00716.58
7.2.150.0000.01618.23
7.2.140.0070.01118.35
7.2.130.0100.00618.59
7.2.120.0070.00718.40
7.2.110.0030.01018.52
7.2.100.0040.01118.39
7.2.90.0130.00318.35
7.2.80.0100.00318.39
7.2.70.0060.00618.38
7.2.60.0090.00317.67
7.2.50.0070.01018.61
7.2.40.0040.01518.43
7.2.30.0100.00618.45
7.2.20.0060.01018.48
7.2.10.0000.01018.52
7.2.00.0040.00918.82
7.1.330.0030.01317.40
7.1.320.0030.01117.26
7.1.310.0100.01017.50
7.1.300.0030.01017.34
7.1.290.0090.00617.62
7.1.280.0050.00517.50
7.1.270.0070.00717.62
7.1.260.0040.01217.35
7.1.250.0040.01117.33
7.1.240.0040.00817.47
7.1.230.0040.01117.37
7.1.220.0030.00617.21
7.1.210.0080.00817.41
7.1.200.0070.00516.50
7.1.190.0090.00617.50
7.1.180.0040.00717.36
7.1.170.0030.01017.44
7.1.160.0080.00417.43
7.1.150.0100.00617.43
7.1.140.0060.00917.40
7.1.130.0060.00617.50
7.1.120.0130.00317.34
7.1.110.0000.01417.39
7.1.100.0040.00817.68
7.1.90.0030.01217.40
7.1.80.0030.01517.30
7.1.70.0030.00817.16
7.1.60.0120.01218.38
7.1.50.0080.01117.24
7.1.40.0060.00917.51
7.1.30.0070.01017.46
7.1.20.0070.01117.55
7.1.10.0110.00317.41
7.1.00.0020.04419.88
7.0.330.0040.01117.11
7.0.320.0000.01117.14
7.0.310.0060.00617.10
7.0.300.0070.00417.02
7.0.290.0030.01016.88
7.0.280.0050.00516.99
7.0.270.0070.00316.95
7.0.260.0040.00717.00
7.0.250.0100.00017.13
7.0.240.0070.00717.00
7.0.230.0030.01316.89
7.0.220.0150.00317.18
7.0.210.0040.01117.09
7.0.200.0190.00515.82
7.0.190.0040.01116.99
7.0.180.0000.01817.04
7.0.170.0100.00717.05
7.0.160.0040.01117.01
7.0.150.0030.00617.08
7.0.140.0120.00316.95
7.0.130.0040.01117.23
7.0.120.0040.01116.95
7.0.110.0100.00316.89
7.0.100.0070.01017.09
7.0.90.0110.00417.04
7.0.80.0080.03318.52
7.0.70.0120.03718.57
7.0.60.0370.03418.46
7.0.50.0100.03018.60
7.0.40.0050.03517.65
7.0.30.0100.03417.76
7.0.20.0140.03417.55
7.0.10.0100.03217.60
7.0.00.0090.03417.65
5.6.400.0040.01516.02
5.6.390.0040.01215.42
5.6.380.0040.01115.61
5.6.370.0090.00315.60
5.6.360.0040.00715.78
5.6.350.0040.01115.40
5.6.340.0100.00615.61
5.6.330.0090.00615.65
5.6.320.0000.01016.00
5.6.310.0070.00715.60
5.6.300.0030.01015.36
5.6.290.0110.00015.78
5.6.280.0030.01315.60
5.6.270.0030.01315.65
5.6.260.0030.01115.73
5.6.250.0000.00915.50
5.6.240.0060.01015.56
5.6.230.0080.03418.07
5.6.220.0120.02918.17
5.6.210.0080.03218.18
5.6.200.0050.03918.34
5.6.190.0100.03118.40
5.6.180.0140.03018.40
5.6.170.0110.03318.21
5.6.160.0120.03018.52
5.6.150.0150.02918.39
5.6.140.0100.03118.33
5.6.130.0080.03618.30
5.6.120.0070.03618.34
5.6.110.0100.03218.44
5.6.100.0080.03318.43
5.6.90.0100.04318.28
5.6.80.0130.02818.06
5.6.70.0070.03618.06
5.6.60.0080.03118.10
5.6.50.0070.03618.01
5.6.40.0070.03517.89
5.6.30.0140.03618.02
5.6.20.0100.03417.95
5.6.10.0080.03317.94
5.6.00.0110.02817.96
5.5.380.0100.00315.30
5.5.370.0080.03217.96
5.5.360.0090.03217.90
5.5.350.0090.03418.13
5.5.340.0070.03418.22
5.5.330.0100.03018.35
5.5.320.0110.03118.20
5.5.310.0100.03418.20
5.5.300.0110.04518.24
5.5.290.0140.03218.21
5.5.280.0060.03918.19
5.5.270.0100.03518.21
5.5.260.0050.04918.21
5.5.250.0050.04918.08
5.5.240.0050.03717.89
5.5.230.0120.03017.86
5.5.220.0150.02817.80
5.5.210.0090.03217.96
5.5.200.0090.03517.87
5.5.190.0100.03717.73
5.5.180.0070.03917.96
5.5.170.0040.01215.67
5.5.160.0080.03217.89
5.5.150.0050.03317.88
5.5.140.0150.02517.81
5.5.130.0080.02817.94
5.5.120.0070.03517.85
5.5.110.0070.03217.96
5.5.100.0120.02717.89
5.5.90.0070.03117.71
5.5.80.0070.03317.99
5.5.70.0030.03717.76
5.5.60.0020.03417.76
5.5.50.0080.03017.66
5.5.40.0080.02917.83
5.5.30.0050.03117.81
5.5.20.0070.03417.82
5.5.10.0050.03517.77
5.5.00.0060.03217.68

preferences:
59.36 ms | 401 KiB | 5 Q