3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($a) { $page = isset($a['page']) ? $a['page'] : 1; echo $page, "\n"; $page = $a['page'] ?? 1; echo $page, "\n"; } $a = array(); foo($a); $a = array('page' => Null); foo($a); $a = array('page' => 0); foo($a); $a = array('page' => 3); foo($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)
8.3.60.0120.00318.41
8.3.50.0090.00618.25
8.3.40.0110.00418.76
8.3.30.0130.00718.79
8.3.20.0070.00020.36
8.3.10.0000.00821.91
8.3.00.0070.00317.50
8.2.180.0110.01118.16
8.2.170.0070.00722.96
8.2.160.0070.00719.27
8.2.150.0050.00324.18
8.2.140.0000.00924.66
8.2.130.0070.00022.07
8.2.120.0050.00326.35
8.2.110.0030.00621.00
8.2.100.0090.00318.04
8.2.90.0000.00819.30
8.2.80.0030.00517.97
8.2.70.0060.00317.63
8.2.60.0000.00917.93
8.2.50.0080.00018.16
8.2.40.0080.00022.30
8.2.30.0000.00819.32
8.2.20.0080.00017.75
8.2.10.0070.00018.01
8.2.00.0000.00818.04
8.1.280.0120.00325.92
8.1.270.0080.00023.70
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00421.31
8.1.230.0100.00017.76
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0040.00417.23
8.1.190.0030.00517.25
8.1.180.0000.00818.10
8.1.170.0040.00418.64
8.1.160.0040.00423.84
8.1.150.0030.00520.61
8.1.140.0070.00019.45
8.1.130.0070.00017.63
8.1.120.0040.00417.27
8.1.110.0000.00817.42
8.1.100.0040.00417.43
8.1.90.0030.00517.32
8.1.80.0040.00417.32
8.1.70.0030.00317.30
8.1.60.0040.00417.51
8.1.50.0050.00317.52
8.1.40.0000.01117.50
8.1.30.0030.00517.67
8.1.20.0040.00417.62
8.1.10.0000.00817.48
8.1.00.0000.00817.48
8.0.300.0060.00318.77
8.0.290.0070.00016.75
8.0.280.0000.00818.50
8.0.270.0000.00717.26
8.0.260.0000.00617.27
8.0.250.0000.00716.85
8.0.240.0000.00816.95
8.0.230.0040.00416.86
8.0.220.0000.00816.70
8.0.210.0080.00016.84
8.0.200.0060.00016.86
8.0.190.0040.00416.86
8.0.180.0040.00416.77
8.0.170.0040.00416.74
8.0.160.0030.00316.91
8.0.150.0000.00716.75
8.0.140.0040.00416.77
8.0.130.0000.00513.27
8.0.120.0000.00816.68
8.0.110.0040.00416.82
8.0.100.0030.00516.64
8.0.90.0050.00216.77
8.0.80.0040.01116.81
8.0.70.0000.00816.69
8.0.60.0070.00016.83
8.0.50.0030.00516.69
8.0.30.0080.00816.90
8.0.20.0070.01217.40
8.0.10.0040.00416.96
8.0.00.0080.01216.79
7.4.330.0020.00215.08
7.4.320.0030.00316.30
7.4.300.0030.00316.57
7.4.290.0040.00416.61
7.4.280.0030.00516.40
7.4.270.0040.00416.41
7.4.260.0000.00816.50
7.4.250.0070.00316.48
7.4.240.0030.00316.49
7.4.230.0070.00016.63
7.4.220.0070.01116.62
7.4.210.0060.01316.67
7.4.200.0030.00316.34
7.4.160.0030.01316.66
7.4.150.0130.00517.40
7.4.140.0150.00917.86
7.4.130.0100.01216.54
7.4.120.0120.00816.49
7.4.110.0110.00616.68
7.4.100.0150.00616.47
7.4.90.0060.01216.57
7.4.80.0110.00619.39
7.4.70.0030.01316.46
7.4.60.0090.00616.50
7.4.50.0080.00816.20
7.4.40.0030.01416.49
7.4.30.0080.00816.44
7.4.00.0020.01414.77
7.3.330.0040.00313.36
7.3.320.0000.00513.35
7.3.310.0030.00316.13
7.3.300.0030.00316.42
7.3.290.0100.00616.38
7.3.280.0100.00816.35
7.3.270.0170.00017.40
7.3.260.0100.00716.21
7.3.250.0090.00816.51
7.3.240.0080.01016.50
7.3.230.0090.00916.39
7.3.210.0120.00616.35
7.3.200.0100.00716.71
7.3.190.0060.00916.63
7.3.180.0120.00616.35
7.3.170.0090.01316.48
7.3.160.0040.01416.46
7.3.120.0100.01014.90
7.3.110.0090.00914.96
7.3.100.0150.00314.88
7.3.90.0000.01814.81
7.3.80.0030.00714.98
7.3.70.0120.00614.90
7.3.60.0030.01015.00
7.3.50.0100.00714.98
7.3.40.0030.01014.77
7.3.30.0070.00314.82
7.3.20.0100.00316.36
7.3.10.0080.00816.48
7.3.00.0050.00616.75
7.2.330.0140.00416.84
7.2.320.0050.01316.82
7.2.310.0090.00916.35
7.2.300.0140.00716.78
7.2.290.0070.01016.61
7.2.250.0040.01515.29
7.2.240.0030.01314.82
7.2.230.0110.00414.77
7.2.220.0120.00315.09
7.2.210.0070.01115.07
7.2.200.0060.00614.98
7.2.190.0070.00714.77
7.2.180.0070.01014.84
7.2.170.0040.00814.79
7.2.130.0030.01016.77
7.2.120.0090.00616.89
7.2.110.0080.00716.66
7.2.100.0030.00816.80
7.2.90.0000.01416.71
7.2.80.0060.00917.09
7.2.70.0000.01616.73
7.2.60.0040.01016.86
7.2.50.0030.01016.65
7.2.40.0090.00316.80
7.2.30.0060.00616.88
7.2.20.0060.00616.78
7.2.10.0090.00616.66
7.2.00.0050.00718.17
7.1.330.0030.01016.00
7.1.320.0030.00715.84
7.1.310.0000.01415.82
7.1.300.0040.00715.81
7.1.290.0030.01015.86
7.1.280.0060.00315.77
7.1.270.0070.00715.88
7.1.260.0030.00715.75
7.1.250.0070.00715.48
7.1.240.0070.00315.89
7.1.230.0040.01115.78
7.1.220.0100.00315.88
7.1.210.0110.00315.90
7.1.200.0050.00715.79
7.1.190.0140.00015.72
7.1.180.0000.01716.00
7.1.170.0040.00715.76
7.1.160.0090.00615.83
7.1.150.0110.00415.78
7.1.140.0030.01015.98
7.1.130.0080.00515.79
7.1.120.0140.00015.90
7.1.110.0100.00015.73
7.1.100.0140.00316.93
7.1.90.0000.01415.74
7.1.80.0000.01415.65
7.1.70.0140.00516.57
7.1.60.0060.00617.57
7.1.50.0100.00816.24
7.1.40.0060.00615.93
7.1.30.0060.00615.81
7.1.20.0070.00715.81
7.1.10.0030.00915.89
7.1.00.0050.04318.94
7.0.330.0070.00715.39
7.0.320.0060.00615.20
7.0.310.0000.01215.48
7.0.300.0090.00915.28
7.0.290.0070.00815.06
7.0.280.0070.00715.29
7.0.270.0030.01015.36
7.0.260.0040.00415.49
7.0.250.0070.00715.49
7.0.240.0000.01215.38
7.0.230.0060.00915.39
7.0.220.0030.01015.54
7.0.210.0030.01015.42
7.0.200.0350.00315.07
7.0.190.0090.00315.40
7.0.180.0030.00715.43
7.0.170.0100.00015.32
7.0.160.0060.00615.24
7.0.150.0030.01015.45
7.0.140.0060.00615.03
7.0.130.0060.01015.17
7.0.120.0030.01015.54
7.0.110.0040.01415.59
7.0.100.0000.01515.29
7.0.90.0100.00315.03
7.0.80.0230.03317.71
7.0.70.0050.03617.77
7.0.60.0050.03517.71
7.0.50.0070.03517.93
7.0.40.0100.03016.84
7.0.30.0140.02816.89
7.0.20.0270.04216.90
7.0.10.0070.03516.93
7.0.00.0230.03616.77
5.6.380.0060.00913.91
5.6.370.0070.00314.32
5.6.360.0070.00714.00
5.6.350.0080.00814.34
5.6.340.0100.00314.36
5.6.330.0060.00314.14
5.6.320.0080.00513.94
5.6.310.0130.00014.34
5.6.300.0090.00614.15
5.6.290.0120.00014.18
5.6.280.0070.00713.80
5.6.270.0100.00314.18
5.6.260.0090.00614.01
5.6.250.0040.00414.42
5.6.240.0090.00614.07
5.6.230.0130.03317.42
5.6.220.0120.02817.48
5.6.210.0030.04217.23
5.6.200.0110.03317.47
5.6.190.0100.03417.45
5.6.180.0100.03317.62
5.6.170.0070.03517.54
5.6.160.0050.03817.44
5.6.150.0100.03517.62
5.6.140.0030.03917.58
5.6.130.0150.02517.69
5.6.120.0120.03117.64
5.6.110.0050.03917.66
5.6.100.0080.04017.48
5.6.90.0150.02717.50
5.6.80.0140.03017.14
5.6.70.0100.04317.28
5.6.60.0100.02917.25
5.6.50.0080.03317.31
5.6.40.0100.03017.22
5.6.30.0110.02817.24
5.6.20.0080.02917.28
5.6.10.0140.02417.21
5.6.00.0080.03117.08
5.5.380.0000.01111.60
5.5.370.0070.03216.11
5.5.360.0100.03116.01
5.5.350.0100.03016.01
5.5.340.0170.02516.20
5.5.330.0080.03216.24
5.5.320.0170.02516.23
5.5.310.0100.03516.24
5.5.300.0060.03316.29
5.5.290.0130.02716.19
5.5.280.0110.02816.26
5.5.270.0080.03516.27
5.5.260.0060.03616.22
5.5.250.0030.03516.13
5.5.240.0150.02215.92
5.5.230.0100.03515.96
5.5.220.0140.02315.91
5.5.210.0060.03015.92
5.5.200.0080.02915.94
5.5.190.0020.03615.95
5.5.180.0070.03215.91
5.5.170.0000.00711.60
5.5.160.0120.02515.89
5.5.150.0130.02315.95
5.5.140.0060.02815.89
5.5.130.0040.03415.80
5.5.120.0080.02915.89
5.5.110.0030.03815.95
5.5.100.0100.03115.88
5.5.90.0050.03215.80
5.5.80.0050.03015.89
5.5.70.0080.03015.90
5.5.60.0070.03015.90
5.5.50.0070.03015.88
5.5.40.0050.03115.89
5.5.30.0080.02815.80
5.5.20.0070.03415.77
5.5.10.0080.02915.89
5.5.00.0080.03015.88

preferences:
80.86 ms | 401 KiB | 5 Q