3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public function foo() { $x = ['foo', 'bar']; // The actual operation isn't important, just need to do something to turn the literal // strings into refcounted strings var_dump(__LINE__); debug_zval_dump($x[0]); $y = array_map(function($it) { return $it.$it; }, $x); var_dump(__LINE__); debug_zval_dump($x[0]); debug_zval_dump($y[0]); return array_unique($y, SORT_STRING); } } $result = (new Test())->foo(); var_dump(__LINE__); debug_zval_dump($result[0]); debug_zval_dump($result[1]); var_dump($result);

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)
8.3.60.0090.01118.31
8.3.50.0100.00716.34
8.3.40.0090.00618.74
8.3.30.0030.01018.79
8.3.20.0060.00320.33
8.3.10.0040.00422.09
8.3.00.0040.00421.90
8.2.180.0090.00616.36
8.2.170.0120.00322.96
8.2.160.0080.00622.16
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00321.02
8.2.120.0070.00026.35
8.2.110.0060.00322.24
8.2.100.0040.00718.03
8.2.90.0080.00017.75
8.2.80.0060.00318.91
8.2.70.0030.00617.63
8.2.60.0000.00817.63
8.2.50.0050.00317.55
8.2.40.0060.00319.35
8.2.30.0000.00821.08
8.2.20.0080.00018.13
8.2.10.0030.00618.02
8.2.00.0040.00418.16
8.1.280.0130.00325.92
8.1.270.0060.00320.28
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.07
8.1.230.0040.00819.00
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0080.00017.38
8.1.190.0090.00017.12
8.1.180.0040.00418.10
8.1.170.0080.00017.75
8.1.160.0040.00418.97
8.1.150.0050.00220.14
8.1.140.0040.00417.58
8.1.130.0030.00318.91
8.1.120.0050.00217.40
8.1.110.0000.00717.40
8.1.100.0070.00317.46
8.1.90.0000.00817.45
8.1.80.0000.00717.55
8.1.70.0040.00417.33
8.1.60.0030.00617.60
8.1.50.0060.00317.55
8.1.40.0040.00817.32
8.1.30.0000.00817.63
8.1.20.0040.00417.67
8.1.10.0000.00817.49
8.1.00.0080.00417.60
8.0.300.0070.00019.56
8.0.290.0070.00016.75
8.0.280.0000.00718.49
8.0.270.0070.00218.68
8.0.260.0060.00318.45
8.0.250.0030.00517.01
8.0.240.0030.00416.94
8.0.230.0000.00716.97
8.0.220.0000.00716.94
8.0.210.0000.00816.91
8.0.200.0070.00016.96
8.0.190.0040.00416.95
8.0.180.0000.00716.94
8.0.170.0000.00716.96
8.0.160.0000.00716.87
8.0.150.0070.00016.80
8.0.140.0030.00516.87
8.0.130.0030.00313.38
8.0.120.0000.00816.80
8.0.110.0040.00416.80
8.0.100.0070.00016.73
8.0.90.0000.00716.89
8.0.80.0120.00416.79
8.0.70.0080.00016.79
8.0.60.0040.00416.89
8.0.50.0040.00416.77
8.0.30.0080.00916.98
8.0.20.0070.01117.40
8.0.10.0000.00716.91
8.0.00.0090.00916.71
7.4.330.0000.00515.55
7.4.320.0030.00316.54
7.4.300.0030.00316.44
7.4.290.0000.00716.57
7.4.280.0060.00316.59
7.4.270.0040.00416.55
7.4.260.0040.00416.55
7.4.250.0050.00316.50
7.4.240.0030.00316.62
7.4.230.0000.00816.64
7.4.220.0070.01116.52
7.4.210.0110.00316.48
7.4.200.0000.00716.31
7.4.160.0120.00616.56
7.4.150.0130.00317.40
7.4.140.0120.01017.86
7.4.130.0030.01616.45
7.4.120.0120.00716.53
7.4.110.0070.01016.52
7.4.100.0100.01316.58
7.4.90.0110.00916.55
7.4.80.0050.01517.91
7.4.70.0090.01116.52
7.4.60.0110.00716.53
7.4.50.0100.01116.45
7.4.40.0100.00816.44
7.4.30.0120.01216.49
7.4.20.0090.00916.51
7.4.10.0090.01216.39
7.4.00.0090.01115.52
7.3.330.0050.00013.37
7.3.320.0030.00313.12
7.3.310.0030.00416.26
7.3.300.0030.00316.27
7.3.290.0110.00416.33
7.3.280.0080.00816.30
7.3.270.0090.00917.40
7.3.260.0130.00616.45
7.3.250.0100.01016.38
7.3.240.0120.00616.46
7.3.230.0130.00816.45
7.3.220.0120.00616.36
7.3.210.0110.00916.43
7.3.200.0090.01216.46
7.3.190.0100.01316.48
7.3.180.0110.00716.38
7.3.170.0070.01316.56
7.3.160.0110.00616.44
7.3.150.0110.00816.28
7.3.140.0100.01316.34
7.3.130.0160.00716.25
7.3.120.0090.01315.71
7.3.110.0090.01015.63
7.3.100.0120.00515.61
7.3.90.0150.00515.51
7.3.80.0090.00915.60
7.3.70.0110.00815.66
7.3.60.0110.00915.48
7.3.50.0080.01215.75
7.3.40.0080.00715.61
7.3.30.0050.01615.60
7.3.20.0100.00816.60
7.3.10.0070.01116.38
7.3.00.0060.00916.50
7.2.340.0070.01416.62
7.2.330.0140.00816.60
7.2.320.0120.00716.53
7.2.310.0090.01316.71
7.2.300.0080.01016.65
7.2.290.0100.00816.57
7.2.280.0080.01216.33
7.2.270.0060.01516.34
7.2.260.0120.01216.49
7.2.250.0130.00815.86
7.2.240.0110.01015.88
7.2.230.0150.00315.90
7.2.220.0060.01216.00
7.2.210.0100.00915.60
7.2.200.0100.01015.76
7.2.190.0170.00315.68
7.2.180.0120.00915.79
7.2.170.0080.01015.83
7.2.160.0100.01316.56
7.2.150.0150.00616.65
7.2.140.0150.00516.78
7.2.130.0140.01116.62
7.2.120.0070.01416.71
7.2.110.0130.01016.52
7.2.100.0110.01116.46
7.2.90.0100.01416.63
7.2.80.0100.01316.45
7.2.70.0090.01216.59
7.2.60.0090.00816.76
7.2.50.0140.00716.56
7.2.40.0100.01016.73
7.2.30.0100.01116.60
7.2.20.0070.01416.67
7.2.10.0140.00516.86
7.2.00.0090.01216.47
7.1.330.0140.00815.63
7.1.320.0220.00715.66
7.1.310.0170.01115.85
7.1.300.0140.01315.64
7.1.290.0140.01015.72
7.1.280.0210.00415.58
7.1.270.0190.00815.79
7.1.260.0130.00615.68
7.1.250.0190.01315.57
7.1.240.0260.00915.59
7.1.230.0180.01515.69
7.1.220.0220.01315.55
7.1.210.0250.01315.49
7.1.200.0180.00515.68
7.1.190.0200.01615.62
7.1.180.0340.00315.49
7.1.170.0190.01615.57
7.1.160.0290.00715.64
7.1.150.0000.01915.54
7.1.140.0160.00315.50
7.1.130.0050.01315.70
7.1.120.0070.01715.59
7.1.110.0120.00815.70
7.1.100.0760.00816.65
7.1.90.0660.00916.68
7.1.80.0540.01216.70
7.1.70.0570.01116.04
7.1.60.0950.01027.96
7.1.50.0880.00727.77
7.1.40.0860.01427.61
7.1.30.0650.00927.70
7.1.20.0710.00827.61
7.1.10.0740.01115.61
7.1.00.0740.00915.64
7.0.330.0320.00715.26
7.0.320.0310.00715.24
7.0.310.0240.00915.33
7.0.300.0180.01315.27
7.0.290.0260.00715.30
7.0.280.0080.00815.22
7.0.270.0030.01315.35
7.0.260.0120.00615.30
7.0.250.0120.00615.42
7.0.240.0560.01016.46
7.0.230.0760.00716.34
7.0.220.0600.00916.26
7.0.210.0740.01415.63
7.0.200.0720.01315.58
7.0.190.0600.01115.47
7.0.180.0780.01015.35
7.0.170.0410.01215.34
7.0.160.0530.01315.33
7.0.150.0650.01415.31
7.0.140.0690.00915.36
7.0.130.0530.00915.48
7.0.120.0490.00815.49
7.0.110.0530.01315.24
7.0.100.0490.01315.32
7.0.90.0400.01015.29
7.0.80.0470.01515.26
7.0.70.0540.01115.35
7.0.60.0590.00815.21
7.0.50.0730.01015.45
7.0.40.0750.01415.51
7.0.30.0710.01415.45
7.0.20.0630.00715.42
7.0.10.0670.01015.33
7.0.00.0800.00915.50
5.6.400.0210.00916.01
5.6.390.0270.01115.83
5.6.380.0270.01215.99
5.6.370.0100.02716.17
5.6.360.0250.00916.08
5.6.350.0130.00615.77
5.6.340.0070.01515.77
5.6.330.0130.01315.86
5.6.320.0070.01315.82
5.6.310.0100.01016.25
5.6.300.0180.00316.05
5.6.290.0100.01316.02
5.6.280.0100.01616.35
5.6.270.0060.01616.11
5.6.260.0080.01716.04
5.6.250.0120.01116.20
5.6.240.0160.01215.98
5.6.230.0100.01016.01
5.6.220.0090.01316.13
5.6.210.0260.00415.83
5.6.200.0120.02115.88
5.6.190.0170.01815.96
5.6.180.0210.01616.24
5.6.170.0220.01315.93
5.6.160.0160.01315.99
5.6.150.0120.01615.63
5.6.140.0250.00516.02
5.6.130.0230.00715.61
5.6.120.0210.00715.77
5.6.110.0110.01416.13
5.6.100.0180.00316.20
5.6.90.0160.00616.00
5.6.80.0090.01315.92
5.6.70.0120.00915.62
5.6.60.0150.00615.80
5.6.50.0030.01715.77
5.6.40.0030.01716.05
5.6.30.0170.00315.93
5.6.20.0100.01015.61
5.6.10.0090.01215.84
5.6.00.0090.01015.94

preferences:
90.22 ms | 401 KiB | 5 Q