3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($a) { $page1 = isset($a['page']) ? $a['page'] : 1; echo 'P1: ', $page1, "\n"; $page2 = $a['page'] ?? 1; echo 'P2: ', $page2, "\n"; $page3 = array_key_exists('page', $_GET) ? $_GET['page'] : 1; echo 'P3: ', $page3, "\n"; echo ($page1 === $page2) === $page3 ? '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)
8.3.70.0090.00916.38
8.3.60.0110.00418.56
8.3.50.0100.00821.89
8.3.40.0070.00718.67
8.3.30.0070.01518.52
8.3.20.0000.00720.34
8.3.10.0040.00423.66
8.3.00.0110.00317.13
8.2.190.0070.00716.58
8.2.180.0090.00616.63
8.2.170.0110.00422.96
8.2.160.0070.00719.40
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00422.32
8.2.120.0070.00026.35
8.2.110.0040.00422.25
8.2.100.0030.00920.59
8.2.90.0060.00318.22
8.2.80.0000.00819.09
8.2.70.0000.00917.78
8.2.60.0040.00718.03
8.2.50.0040.00418.10
8.2.40.0040.00420.55
8.2.30.0060.00319.35
8.2.20.0030.00617.75
8.2.10.0050.00218.11
8.2.00.0000.00718.03
8.1.280.0140.00725.92
8.1.270.0030.00624.01
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0030.00623.92
8.1.230.0040.00819.02
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00617.13
8.1.180.0080.00018.10
8.1.170.0060.00318.64
8.1.160.0000.00923.91
8.1.150.0030.00520.59
8.1.140.0040.00419.61
8.1.130.0030.00317.74
8.1.120.0030.00317.54
8.1.110.0080.00017.38
8.1.100.0040.00417.41
8.1.90.0050.00317.51
8.1.80.0070.00017.41
8.1.70.0000.00717.49
8.1.60.0000.00817.63
8.1.50.0090.00017.53
8.1.40.0110.00317.55
8.1.30.0030.00617.52
8.1.20.0040.00417.75
8.1.10.0030.00617.66
8.1.00.0080.00017.55
8.0.300.0070.00019.64
8.0.290.0040.00416.63
8.0.280.0030.00318.47
8.0.270.0040.00317.28
8.0.260.0040.00417.33
8.0.250.0030.00317.00
8.0.240.0070.00016.86
8.0.230.0000.00817.06
8.0.220.0070.00016.91
8.0.210.0050.00316.75
8.0.200.0030.00316.90
8.0.190.0050.00316.98
8.0.180.0040.00416.93
8.0.170.0040.00416.94
8.0.160.0040.00416.98
8.0.150.0000.00716.96
8.0.140.0000.00716.89
8.0.130.0030.00313.31
8.0.120.0000.01016.77
8.0.110.0020.00516.95
8.0.100.0000.00716.92
8.0.90.0000.00716.88
8.0.80.0040.01216.92
8.0.70.0030.00516.70
8.0.60.0020.00516.89
8.0.50.0000.00716.94
8.0.30.0120.00717.26
8.0.20.0120.00717.40
8.0.10.0050.00216.89
8.0.00.0110.01116.81
7.4.330.0000.00615.08
7.4.320.0060.00016.52
7.4.300.0060.00016.57
7.4.290.0070.00016.67
7.4.280.0000.00816.65
7.4.270.0000.00716.49
7.4.260.0000.00716.52
7.4.250.0000.00716.44
7.4.240.0030.00316.52
7.4.230.0070.00016.51
7.4.220.0090.00916.69
7.4.210.0090.00816.72
7.4.200.0040.00416.63
7.4.160.0100.00516.68
7.4.150.0080.00817.40
7.4.140.0070.01117.86
7.4.130.0110.00916.58
7.4.120.0150.00516.56
7.4.110.0060.01116.56
7.4.100.0090.00916.50
7.4.90.0120.00616.36
7.4.80.0080.01419.39
7.4.70.0090.00916.60
7.4.60.0100.00716.51
7.4.50.0090.00316.27
7.4.40.0060.01216.52
7.4.30.0090.01216.61
7.4.10.0040.01515.16
7.4.00.0110.00514.81
7.3.330.0000.00513.21
7.3.320.0030.00313.18
7.3.310.0030.00316.44
7.3.300.0040.00416.36
7.3.290.0030.01516.37
7.3.280.0080.00916.37
7.3.270.0030.01317.40
7.3.260.0080.00816.40
7.3.250.0080.01016.60
7.3.240.0130.00716.49
7.3.230.0030.01316.39
7.3.210.0090.00916.41
7.3.200.0110.01116.46
7.3.190.0080.00816.65
7.3.180.0080.01116.51
7.3.170.0070.01116.44
7.3.160.0120.00616.54
7.3.130.0070.01014.99
7.3.120.0120.00614.89
7.3.110.0070.00714.92
7.3.100.0040.00714.72
7.3.90.0070.01014.60
7.3.80.0080.00314.88
7.3.70.0070.00714.86
7.3.60.0030.01014.82
7.3.50.0030.00614.86
7.3.40.0030.01214.90
7.3.30.0090.00914.79
7.3.20.0040.01116.54
7.3.10.0070.00716.59
7.3.00.0080.00416.55
7.2.330.0110.00716.59
7.2.320.0060.01216.74
7.2.310.0130.00716.46
7.2.300.0110.00516.63
7.2.290.0140.00316.40
7.2.260.0040.01215.27
7.2.250.0100.01014.69
7.2.240.0040.01115.13
7.2.230.0000.01615.01
7.2.220.0060.00914.99
7.2.210.0070.00714.91
7.2.200.0040.01215.11
7.2.190.0070.00715.18
7.2.180.0080.00315.02
7.2.170.0060.00915.12
7.2.160.0090.00915.04
7.2.150.0100.00316.68
7.2.140.0070.00316.95
7.2.130.0060.01316.94
7.2.120.0080.00816.94
7.2.110.0060.00916.98
7.2.100.0030.00616.79
7.2.90.0030.01316.92
7.2.80.0100.00716.88
7.2.70.0140.00016.71
7.2.60.0070.00516.82
7.2.50.0030.01516.93
7.2.40.0100.00717.04
7.2.30.0030.00917.05
7.2.20.0040.01216.85
7.2.10.0070.01016.91
7.2.00.0050.00818.06
7.1.330.0100.00315.78
7.1.320.0070.01316.01
7.1.310.0100.00715.93
7.1.300.0070.00715.88
7.1.290.0040.01115.89
7.1.280.0060.01015.81
7.1.270.0040.00715.78
7.1.260.0070.00715.89
7.1.250.0070.01115.68
7.1.240.0070.00715.54
7.1.230.0130.00015.88
7.1.220.0000.01515.79
7.1.210.0000.01015.85
7.1.200.0060.00415.72
7.1.190.0040.01215.71
7.1.180.0040.01115.80
7.1.170.0110.00315.72
7.1.160.0040.01115.90
7.1.150.0100.00315.67
7.1.140.0090.00615.68
7.1.130.0000.01015.85
7.1.120.0060.00615.82
7.1.110.0060.00915.87
7.1.100.0070.00517.03
7.1.90.0000.01215.85
7.1.80.0030.00715.75
7.1.70.0040.00416.40
7.1.60.0070.00917.57
7.1.50.0080.01116.45
7.1.40.0040.00815.91
7.1.30.0000.01415.80
7.1.20.0040.00715.59
7.1.10.0070.00415.62
7.1.00.0030.03919.04
7.0.330.0040.01415.41
7.0.320.0070.00715.57
7.0.310.0030.00515.52
7.0.300.0060.00315.63
7.0.290.0040.00715.18
7.0.280.0090.00315.36
7.0.270.0040.00715.45
7.0.260.0100.00315.18
7.0.250.0070.00715.66
7.0.240.0000.01015.40
7.0.230.0030.00615.57
7.0.220.0080.00415.68
7.0.210.0040.00815.62
7.0.200.3890.00515.22
7.0.190.0060.00615.33
7.0.180.0100.00315.21
7.0.170.0040.00415.18
7.0.160.0000.01315.54
7.0.150.0040.00815.56
7.0.140.0000.01415.50
7.0.130.0030.01015.41
7.0.120.0040.00415.38
7.0.110.0060.00615.44
7.0.100.0070.00715.62
7.0.90.0060.00915.43
7.0.80.0790.02717.81
7.0.70.0050.03617.65
7.0.60.0150.02917.58
7.0.50.0070.03317.86
7.0.40.0080.03316.90
7.0.30.0170.02916.98
7.0.20.0100.03116.90
7.0.10.0100.03416.90
7.0.00.0070.03616.84
5.6.400.0000.01614.03
5.6.390.0040.01514.00
5.6.380.0030.00714.09
5.6.370.0030.01014.28
5.6.360.0000.01414.08
5.6.350.0000.00914.03
5.6.340.0040.00414.43
5.6.330.0030.00713.69
5.6.320.0060.00614.15
5.6.310.0040.00814.11
5.6.300.0030.01114.31
5.6.290.0140.00014.13
5.6.280.0080.00414.25
5.6.270.0040.00714.09
5.6.260.0000.01014.43
5.6.250.0090.00614.11
5.6.240.0040.00814.07
5.6.230.0190.02517.41
5.6.220.0100.03117.39
5.6.210.0080.03017.47
5.6.200.0100.03117.60
5.6.190.0120.03217.57
5.6.180.0110.03317.69
5.6.170.0080.03517.56
5.6.160.0050.04017.59
5.6.150.0070.04117.79
5.6.140.0160.02617.79
5.6.130.0070.03417.49
5.6.120.0100.03117.56
5.6.110.0050.03917.55
5.6.100.0090.03017.62
5.6.90.0050.03717.67
5.6.80.0070.03217.21
5.6.70.0140.02317.20
5.6.60.0030.03417.37
5.6.50.0100.03217.14
5.6.40.0150.02517.18
5.6.30.0060.03317.29
5.6.20.0080.03217.18
5.6.10.0080.03017.31
5.6.00.0050.03517.13
5.5.380.0080.00014.07
5.5.370.0050.03517.29
5.5.360.0080.03417.36
5.5.350.0150.02717.17
5.5.340.0100.02817.46
5.5.330.0120.02517.45
5.5.320.0100.03217.42
5.5.310.0070.03917.43
5.5.300.0140.02717.45
5.5.290.0100.03317.39
5.5.280.0030.03817.37
5.5.270.0080.04317.57
5.5.260.0170.02417.43
5.5.250.0100.03217.25
5.5.240.0160.02517.18
5.5.230.0060.03317.14
5.5.220.0050.03317.18
5.5.210.0080.03517.15
5.5.200.0130.02717.11
5.5.190.0080.03317.06
5.5.180.0120.02817.22
5.5.170.0030.00714.04
5.5.160.0070.03417.19
5.5.150.0050.03517.23
5.5.140.0070.03217.08
5.5.130.0120.02917.25
5.5.120.0030.03317.17
5.5.110.0060.03117.12
5.5.100.0080.03217.09
5.5.90.0100.02917.03
5.5.80.0070.03117.20
5.5.70.0110.03016.98
5.5.60.0090.02916.98
5.5.50.0070.02917.17
5.5.40.0110.03117.02
5.5.30.0090.03517.02
5.5.20.0070.03516.89
5.5.10.0100.03217.02
5.5.00.0110.02817.03

preferences:
77.79 ms | 401 KiB | 5 Q