3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [ 'a' => [], ]; function a(array $a) { array_shift($a); } a($x); var_dump($x); array_shift($x); var_dump($x); //var_dump(empty(array_shift($x)['Slide']));

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)
8.3.60.0070.01118.24
8.3.50.0100.00316.28
8.3.40.0110.01118.55
8.3.30.0110.00418.54
8.3.20.0070.00720.69
8.3.10.0040.00421.96
8.3.00.0140.00023.57
8.2.180.0100.01416.38
8.2.170.0150.00022.96
8.2.160.0060.00920.46
8.2.150.0060.00324.18
8.2.140.0070.00724.66
8.2.130.0050.00326.16
8.2.120.0140.00026.16
8.2.110.0030.00622.13
8.2.100.0040.00817.78
8.2.90.0030.00519.23
8.2.80.0040.00417.97
8.2.70.0000.00817.89
8.2.60.0000.00917.97
8.2.50.0050.00318.10
8.2.40.0000.00719.34
8.2.30.0000.00719.11
8.2.20.0050.00318.09
8.2.10.0040.00419.18
8.2.00.0000.00719.02
8.1.280.0130.00725.92
8.1.270.0040.00420.55
8.1.260.0070.00026.35
8.1.250.0100.00728.09
8.1.240.0060.00323.84
8.1.230.0030.00719.10
8.1.220.0040.00417.74
8.1.210.0080.00318.77
8.1.200.0070.00417.35
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0050.00318.54
8.1.160.0030.00718.80
8.1.150.0050.00318.80
8.1.140.0000.00720.78
8.1.130.0000.00720.11
8.1.120.0070.00017.38
8.1.110.0040.00417.34
8.1.100.0040.00417.41
8.1.90.0040.00417.28
8.1.80.0040.00417.40
8.1.70.0070.00017.39
8.1.60.0000.00817.56
8.1.50.0000.00817.38
8.1.40.0040.00417.39
8.1.30.0040.00417.61
8.1.20.0060.00617.65
8.1.10.0000.00717.47
8.1.00.0000.00817.43
8.0.300.0000.00719.73
8.0.290.0000.00716.58
8.0.280.0000.00718.41
8.0.270.0000.00717.13
8.0.260.0000.00619.99
8.0.250.0050.00516.86
8.0.240.0060.00016.75
8.0.230.0050.00216.90
8.0.220.0030.00316.69
8.0.210.0060.00016.84
8.0.200.0000.00616.87
8.0.190.0080.00016.95
8.0.180.0040.00416.84
8.0.170.0000.01016.81
8.0.160.0000.00716.77
8.0.150.0040.00416.73
8.0.140.0000.00916.79
8.0.130.0030.00313.23
8.0.120.0090.00016.81
8.0.110.0070.00016.73
8.0.100.0040.00416.71
8.0.90.0040.00416.70
8.0.80.0030.01316.83
8.0.70.0030.00516.65
8.0.60.0000.00716.76
8.0.50.0000.00816.77
8.0.30.0070.01016.87
8.0.20.0130.00716.80
8.0.10.0000.00716.89
8.0.00.0090.01316.77
7.4.330.0020.00215.55
7.4.320.0060.00016.41
7.4.300.0060.00016.59
7.4.290.0070.00016.52
7.4.280.0070.00016.48
7.4.270.0030.00716.45
7.4.260.0050.00013.29
7.4.250.0030.00316.44
7.4.240.0020.00516.56
7.4.230.0020.00516.68
7.4.220.0040.00316.49
7.4.210.0080.00716.52
7.4.200.0070.00016.33
7.4.130.0200.00316.39
7.4.120.0030.01316.41
7.4.110.0140.00316.44
7.4.100.0120.00916.30
7.4.90.0090.00916.24
7.4.80.0100.00719.39
7.4.70.0100.01016.45
7.4.60.0000.01816.57
7.4.50.0090.00616.05
7.4.40.0070.01016.59
7.4.10.0090.00915.12
7.4.00.0060.01214.80
7.3.330.0000.00716.26
7.3.320.0000.00513.05
7.3.310.0040.00416.09
7.3.300.0030.00316.28
7.3.290.0070.00016.23
7.3.280.0120.00616.26
7.3.260.0090.01116.44
7.3.240.0100.00716.30
7.3.230.0090.00816.54
7.3.210.0090.00616.55
7.3.200.0060.00916.41
7.3.190.0000.01616.27
7.3.180.0090.00616.42
7.3.170.0100.00616.28
7.3.160.0090.01216.28
7.3.130.0080.00814.70
7.3.120.0080.01114.85
7.3.110.0050.01314.74
7.3.100.0110.00314.71
7.3.90.0070.00814.73
7.3.80.0090.00714.64
7.3.70.0050.01214.65
7.3.60.0080.00814.63
7.3.50.0090.00914.68
7.3.40.0070.00814.73
7.3.30.0060.00914.55
7.3.20.0090.00815.84
7.3.10.0110.00515.89
7.3.00.0090.00715.97
7.2.330.0140.00316.65
7.2.320.0090.00916.63
7.2.310.0060.01016.14
7.2.300.0070.01016.35
7.2.290.0060.01116.55
7.2.260.0120.00615.00
7.2.250.0050.01114.94
7.2.240.0110.00514.66
7.2.230.0050.01214.78
7.2.220.0070.00714.81
7.2.210.0120.00614.79
7.2.200.0050.01114.79
7.2.190.0050.01114.79
7.2.180.0110.00514.95
7.2.170.0050.01114.88
7.2.160.0090.00514.86
7.2.150.0080.00916.04
7.2.140.0120.00416.08
7.2.130.0080.01016.12
7.2.120.0120.00616.14
7.2.110.0090.00716.07
7.2.100.0130.00716.00
7.2.90.0140.00816.09
7.2.80.0130.00516.18
7.2.70.0120.00516.18
7.2.60.0100.01016.06
7.2.50.0120.00916.09
7.2.40.0120.00816.05
7.2.30.0090.01316.09
7.2.20.0100.01016.12
7.2.10.0100.00816.17
7.2.00.0030.01116.07
7.1.330.0080.00615.52
7.1.320.0050.01115.96
7.1.310.0240.00615.10
7.1.300.0080.00615.16
7.1.290.0080.00814.99
7.1.280.0140.00615.02
7.1.270.0100.00615.13
7.1.260.0070.01115.18
7.1.250.0080.01115.08
7.1.240.0070.00815.04
7.1.230.0060.01015.05
7.1.220.0090.00815.00
7.1.210.0150.00315.11
7.1.200.0100.00715.10
7.1.190.0090.01015.12
7.1.180.0080.00715.02
7.1.170.0230.00915.19
7.1.160.0130.00515.17
7.1.150.0120.00515.13
7.1.140.0060.01015.06
7.1.130.0110.00515.22
7.1.120.0060.01115.12
7.1.110.0090.00715.17
7.1.100.0090.00915.11
7.1.90.0080.00915.01
7.1.80.0050.00915.10
7.1.70.0100.00615.04
7.1.60.0120.00515.15
7.1.50.0070.01115.14
7.1.40.0090.00815.05
7.1.30.0110.00515.08
7.1.20.0050.00914.99
7.1.10.0090.00615.00
7.1.00.0060.00915.07
7.0.330.0190.00313.38
7.0.320.0140.01113.27
7.0.310.0120.00913.38
7.0.300.0160.01213.61
7.0.290.0150.01113.54
7.0.280.0140.01113.57
7.0.270.0090.00913.54
7.0.260.0210.00313.50
7.0.250.0120.01213.59
7.0.240.0100.01513.67
7.0.230.0200.00713.37
7.0.220.2080.00013.61
7.0.210.0130.00513.54
7.0.200.0140.01113.68
7.0.190.0160.00813.43
7.0.180.0190.00613.31
7.0.170.0150.00813.52
7.0.160.0170.00613.52
7.0.150.0140.00613.59
7.0.140.0210.00313.66
7.0.130.0140.00613.53
7.0.120.0200.00713.70
7.0.110.0120.00613.39
7.0.100.0160.01013.67
7.0.90.0120.00613.57
7.0.80.1770.01013.70
7.0.70.0110.01113.02
7.0.60.0120.00613.56
7.0.50.0080.01313.22
7.0.40.0080.01213.23
7.0.30.0200.00513.13
7.0.20.0160.01013.37
7.0.10.0160.00713.61
7.0.00.0190.00213.46
5.6.400.0120.01214.44
5.6.390.0070.01614.34
5.6.380.0040.01613.98
5.6.370.0120.01214.45
5.6.360.0180.00614.20
5.6.350.0150.00614.46
5.6.340.0180.00414.02
5.6.330.0080.00414.32
5.6.320.0100.01014.41
5.6.310.0110.01113.88
5.6.300.0230.00013.98
5.6.290.0110.00613.79
5.6.280.0200.00014.02
5.6.270.0140.00914.25
5.6.260.0120.00814.00
5.6.250.0150.00313.91
5.6.240.0120.00514.27
5.6.230.0110.01113.98
5.6.220.0050.01413.86
5.6.210.0050.01114.05
5.6.200.0100.00713.93
5.6.190.0090.00913.95
5.6.180.0070.01014.00
5.6.170.0000.02114.13
5.6.160.0180.00413.97
5.6.150.0200.00714.16
5.6.140.0110.00314.27
5.6.130.0150.00814.18
5.6.120.0210.00414.37
5.6.110.0140.00514.23
5.6.100.0050.01414.07
5.6.90.0060.01114.25
5.6.80.0140.01413.93
5.6.70.0150.00413.73
5.6.60.0070.01414.00
5.6.50.0100.01014.10
5.6.40.0090.00913.75
5.6.30.0110.00714.29
5.6.20.0090.01214.11
5.6.10.0140.00214.06
5.6.00.0160.00614.11
5.5.380.0140.00814.07
5.5.370.0180.00314.33
5.5.360.0100.01014.36
5.5.350.0100.01013.85
5.5.340.0120.01214.31
5.5.330.0170.00314.06
5.5.320.0110.00814.05
5.5.310.0150.00513.84
5.5.300.0180.00014.21
5.5.290.0120.00913.83
5.5.280.0100.01013.84
5.5.270.0140.00414.06
5.5.260.0110.00914.10
5.5.250.0210.00014.21
5.5.240.0100.00513.87
5.5.230.0170.00314.11
5.5.220.0090.01414.19
5.5.210.0130.01014.09
5.5.200.0170.00014.25
5.5.190.0110.01214.02
5.5.180.0120.00614.05
5.5.170.0160.00814.18
5.5.160.0150.00514.09
5.5.150.0070.01114.10
5.5.140.0120.00514.31
5.5.130.0180.00414.25
5.5.120.0130.00914.13
5.5.110.0120.01214.22
5.5.100.0200.00313.87
5.5.90.0160.00014.19
5.5.80.0200.00313.91
5.5.70.0090.00913.97
5.5.60.0120.00813.70
5.5.50.0090.00913.98
5.5.40.0090.00613.68
5.5.30.0080.01514.21
5.5.20.0140.00414.08
5.5.10.0160.00614.40
5.5.00.0180.00214.29
5.4.450.0170.00010.81
5.4.440.0070.00510.90
5.4.430.0070.00710.86
5.4.420.0100.00510.77
5.4.410.0060.00610.88
5.4.400.0060.00910.95
5.4.390.0060.01110.96
5.4.380.0090.00910.89
5.4.370.0110.00410.87
5.4.360.0090.00310.69
5.4.350.0040.01110.68
5.4.340.0090.00411.11
5.4.330.0070.00711.13
5.4.320.0120.00010.68
5.4.310.0140.00011.17
5.4.300.0070.00710.85
5.4.290.0050.00910.88
5.4.280.0110.00710.86
5.4.270.0060.00611.15
5.4.260.0090.00510.98
5.4.250.0090.00410.82
5.4.240.0120.00410.82
5.4.230.0120.00410.98
5.4.220.0100.00710.90
5.4.210.0040.00910.62
5.4.200.0110.00610.81
5.4.190.0000.01310.98
5.4.180.0130.00610.90
5.4.170.0040.01210.64
5.4.160.0040.01210.86
5.4.150.0160.00010.91
5.4.140.0120.00611.16
5.4.130.0170.00310.79
5.4.120.0090.00610.64
5.4.110.0090.00610.82
5.4.100.0140.00710.86
5.4.90.0050.01110.58
5.4.80.0090.00610.90
5.4.70.0070.00511.07
5.4.60.0060.00910.89
5.4.50.0050.00910.86
5.4.40.0090.00710.69
5.4.30.0100.00510.77
5.4.20.0130.00410.69
5.4.10.0080.00410.81
5.4.00.0060.01211.07
5.3.290.0040.00810.17
5.3.280.0130.00610.07
5.3.270.0050.00910.12
5.3.260.0060.00910.18
5.3.250.0090.00310.18
5.3.240.0100.00610.14
5.3.230.0110.00810.12
5.3.220.0060.00610.16
5.3.210.0110.00010.20
5.3.200.0060.0069.94
5.3.190.0080.00810.14
5.3.180.0110.00710.19
5.3.170.0090.00610.26
5.3.160.0080.00810.38
5.3.150.0000.01410.26
5.3.140.0040.01210.16
5.3.130.0140.00010.09
5.3.120.0080.00410.12
5.3.110.0120.00010.24
5.3.100.0060.00610.00
5.3.90.0090.00210.20
5.3.80.0080.00410.12
5.3.70.0070.00310.18
5.3.60.0150.00010.31
5.3.50.0090.00310.09
5.3.40.0060.00610.11
5.3.30.0130.00010.09
5.3.20.0140.00210.02
5.3.10.0070.0079.90
5.3.00.0070.0039.88
5.2.170.0070.0079.39
5.2.160.0030.0079.39
5.2.150.0080.0049.39
5.2.140.0050.0039.39
5.2.130.0090.0029.39
5.2.120.0090.0039.39
5.2.110.0090.0009.39
5.2.100.0000.0089.39
5.2.90.0110.0009.39
5.2.80.0070.0039.39
5.2.70.0090.0029.39
5.2.60.0040.0049.39
5.2.50.0100.0059.39
5.2.40.0000.0099.39
5.2.30.0030.0089.39
5.2.20.0080.0009.39
5.2.10.0030.0069.39
5.2.00.0110.0009.39
5.1.60.0090.0039.39
5.1.50.0050.0059.39
5.1.40.0060.0069.39
5.1.30.0070.0039.39
5.1.20.0100.0009.39
5.1.10.0120.0009.39
5.1.00.0100.0029.39
5.0.50.0110.0009.39
5.0.40.0060.0039.39
5.0.30.0090.0009.39
5.0.20.0000.0079.39
5.0.10.0030.0069.39
5.0.00.0030.0039.39
4.4.90.0060.0029.39
4.4.80.0050.0039.39
4.4.70.0060.0009.39
4.4.60.0030.0079.39
4.4.50.0080.0009.39
4.4.40.0050.0039.39
4.4.30.0050.0009.39
4.4.20.0030.0069.39
4.4.10.0050.0009.39
4.4.00.0030.0039.39
4.3.110.0000.0109.39
4.3.100.0000.0069.39
4.3.90.0000.0069.39
4.3.80.0030.0069.39
4.3.70.0040.0049.39
4.3.60.0000.0059.39
4.3.50.0000.0069.39
4.3.40.0040.0049.39
4.3.30.0030.0069.39
4.3.20.0040.0049.39
4.3.10.0020.0029.39
4.3.00.0030.0039.39

preferences:
75.61 ms | 400 KiB | 5 Q