3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [ ]; /* function a(array $a) { array_shift($a); } a($x); var_dump($x); array_shift($x); var_dump($x); */ var_dump(empty(current($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)
8.3.40.0110.00718.53
8.3.30.0090.00618.58
8.3.20.0100.00320.76
8.3.10.0050.00321.97
8.3.00.0070.00723.65
8.2.170.0120.00322.96
8.2.160.0030.01220.44
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0070.01026.16
8.2.120.0110.00326.16
8.2.110.0050.00519.04
8.2.100.0080.00417.72
8.2.90.0070.00020.50
8.2.80.0030.00617.97
8.2.70.0030.00618.03
8.2.60.0000.00818.22
8.2.50.0000.00818.10
8.2.40.0040.00419.34
8.2.30.0040.00419.13
8.2.20.0040.00418.09
8.2.10.0040.00419.06
8.2.00.0050.00319.11
8.1.270.0030.00620.64
8.1.260.0030.00626.35
8.1.250.0000.01528.09
8.1.240.0090.00022.51
8.1.230.0040.00721.10
8.1.220.0000.00817.74
8.1.210.0060.00318.80
8.1.200.0070.00417.13
8.1.190.0000.00817.10
8.1.180.0070.00018.10
8.1.170.0050.00318.59
8.1.160.0030.00718.82
8.1.150.0000.00718.73
8.1.140.0000.00720.81
8.1.130.0050.00319.97
8.1.120.0030.00317.36
8.1.110.0040.00417.40
8.1.100.0000.00817.39
8.1.90.0070.00017.39
8.1.80.0000.00817.25
8.1.70.0000.00717.29
8.1.60.0050.00517.40
8.1.50.0000.00817.33
8.1.40.0050.00317.52
8.1.30.0000.00817.52
8.1.20.0000.01017.44
8.1.10.0000.00817.46
8.1.00.0100.00017.47
8.0.300.0000.00720.09
8.0.290.0070.00016.63
8.0.280.0000.00718.29
8.0.270.0000.00717.20
8.0.260.0060.00019.91
8.0.250.0090.00016.90
8.0.240.0030.00316.78
8.0.230.0070.00016.91
8.0.220.0070.00016.84
8.0.210.0030.00316.87
8.0.200.0030.00316.89
8.0.190.0080.00016.87
8.0.180.0040.00416.86
8.0.170.0000.01116.82
8.0.160.0000.00716.79
8.0.150.0000.00816.69
8.0.140.0080.00316.75
8.0.130.0030.00313.22
8.0.120.0050.00316.80
8.0.110.0030.00616.65
8.0.100.0000.00716.94
8.0.90.0050.00216.88
8.0.80.0070.00716.76
8.0.70.0000.00716.85
8.0.60.0000.00716.63
8.0.50.0040.00416.93
8.0.30.0070.01317.02
8.0.20.0110.00717.07
8.0.10.0000.00716.90
8.0.00.0130.00816.86
7.4.330.0000.00515.55
7.4.320.0030.00316.48
7.4.300.0060.00016.47
7.4.290.0000.00716.38
7.4.280.0030.00316.43
7.4.270.0030.00616.53
7.4.260.0050.00013.22
7.4.250.0000.00616.55
7.4.240.0020.00516.50
7.4.230.0000.00716.64
7.4.220.0050.00216.44
7.4.210.0090.00816.50
7.4.200.0000.00716.46
7.4.130.0070.01016.46
7.4.120.0130.00316.49
7.4.110.0100.01616.39
7.4.100.0070.01116.50
7.4.90.0080.00816.50
7.4.80.0100.01019.39
7.4.70.0060.01016.47
7.4.60.0060.01016.40
7.4.50.0000.01716.69
7.4.40.0100.00716.35
7.4.10.0030.01614.88
7.4.00.0040.01214.98
7.3.330.0000.00816.34
7.3.320.0060.00012.99
7.3.310.0030.00316.31
7.3.300.0040.00416.07
7.3.290.0050.00216.19
7.3.280.0130.00316.21
7.3.260.0100.00916.31
7.3.240.0130.00416.20
7.3.230.0100.00616.51
7.3.210.0070.01016.36
7.3.200.0160.00316.18
7.3.190.0030.01716.52
7.3.180.0100.00616.47
7.3.170.0120.00816.26
7.3.160.0000.01616.23
7.3.130.0060.01314.47
7.3.120.0070.01014.64
7.3.110.0030.01414.98
7.3.100.0060.00914.57
7.3.90.0130.00314.45
7.3.80.0080.00514.71
7.3.70.0020.01214.76
7.3.60.0080.00314.45
7.3.50.0040.00714.66
7.3.40.0030.01014.62
7.3.30.0020.01014.53
7.3.20.0110.00515.46
7.3.10.0050.00815.53
7.3.00.0050.00615.56
7.2.330.0030.01416.56
7.2.320.0110.00616.29
7.2.310.0100.00716.56
7.2.300.0040.01216.59
7.2.290.0070.01016.39
7.2.260.0070.01014.88
7.2.250.0060.01314.86
7.2.240.0000.01514.64
7.2.230.0100.00614.84
7.2.220.0030.00914.83
7.2.210.0040.01014.99
7.2.200.0070.00614.94
7.2.190.0060.00914.70
7.2.180.0070.00514.83
7.2.170.0070.00714.74
7.2.160.0100.00314.61
7.2.150.0080.00715.79
7.2.140.0090.00515.91
7.2.130.0070.00515.95
7.2.120.0140.00115.76
7.2.110.0060.00615.70
7.2.100.0100.00915.92
7.2.90.0090.00315.78
7.2.80.0110.00415.85
7.2.70.0110.00815.92
7.2.60.0070.01315.72
7.2.50.0100.00715.94
7.2.40.0370.00515.97
7.2.30.0050.00915.89
7.2.20.0110.00615.76
7.2.10.0080.00915.90
7.2.00.0120.00515.68
7.1.330.0060.00615.84
7.1.320.0100.00715.89
7.1.310.0100.00614.88
7.1.300.0070.00614.54
7.1.290.0750.00814.64
7.1.280.0040.01114.60
7.1.270.0050.01014.75
7.1.260.0050.00714.69
7.1.250.0100.00814.84
7.1.240.0080.00614.78
7.1.230.0090.00714.78
7.1.220.0060.00914.87
7.1.210.0110.00314.79
7.1.200.0110.00614.54
7.1.190.0100.00714.78
7.1.180.0090.00514.81
7.1.170.0090.00414.85
7.1.160.0100.00714.77
7.1.150.0100.00314.61
7.1.140.0070.00614.82
7.1.130.0060.00914.78
7.1.120.0080.01014.71
7.1.110.0050.00814.84
7.1.100.0130.00314.89
7.1.90.0070.00914.71
7.1.80.0120.00514.64
7.1.70.0040.01114.69
7.1.60.0050.01214.79
7.1.50.0080.00714.78
7.1.40.0080.00814.77
7.1.30.0060.01014.59
7.1.20.0780.00314.68
7.1.10.0090.00614.88
7.1.00.0050.00814.82
7.0.330.0180.00313.40
7.0.320.0150.01513.31
7.0.310.0180.01813.40
7.0.300.0190.00713.59
7.0.290.0150.01113.50
7.0.280.0120.00913.29
7.0.270.0110.00813.70
7.0.260.0220.00613.47
7.0.250.0160.00813.58
7.0.240.0160.00813.69
7.0.230.0230.00413.52
7.0.220.0140.00813.46
7.0.210.0270.00313.42
7.0.200.0180.00813.29
7.0.190.0200.00313.46
7.0.180.0230.00313.48
7.0.170.0190.00313.50
7.0.160.0230.00013.41
7.0.150.0190.00913.31
7.0.140.0140.00913.41
7.0.130.0120.01213.66
7.0.120.0230.00313.70
7.0.110.0280.00013.62
7.0.100.0100.01013.53
7.0.90.0190.00913.69
7.0.80.0190.01113.34
7.0.70.0170.00413.20
7.0.60.0190.00013.58
7.0.50.0120.01213.42
7.0.40.0300.00613.39
7.0.30.0100.00713.37
7.0.20.0130.00713.72
7.0.10.0180.00713.42
7.0.00.0090.00913.45
5.6.400.0080.00314.25
5.6.390.0040.00714.40
5.6.380.0100.00314.37
5.6.370.0110.01114.17
5.6.360.0210.00014.16
5.6.350.0100.01014.46
5.6.340.0110.00414.30
5.6.330.0070.00714.03
5.6.320.0160.01014.11
5.6.310.0070.01714.45
5.6.300.0130.00814.04
5.6.290.0140.00414.38
5.6.280.0100.01314.30
5.6.270.0200.00714.18
5.6.260.0160.00813.97
5.6.250.0160.00514.21
5.6.240.0120.01214.17
5.6.230.0170.00314.36
5.6.220.0040.01314.30
5.6.210.0120.01214.11
5.6.200.0120.00414.39
5.6.190.0100.00813.86
5.6.180.0080.00713.85
5.6.170.0150.00614.27
5.6.160.0170.00714.01
5.6.150.0160.00814.00
5.6.140.0110.00714.00
5.6.130.0150.00414.43
5.6.120.0170.00314.46
5.6.110.0140.00414.13
5.6.100.0120.00914.26
5.6.90.0130.00513.87
5.6.80.0110.00414.13
5.6.70.0110.01114.07
5.6.60.0100.01014.05
5.6.50.0110.00414.13
5.6.40.0070.01013.95
5.6.30.0120.00514.02
5.6.20.0100.01014.11
5.6.10.0150.01014.28
5.6.00.0100.00814.35
5.5.380.0140.00713.86
5.5.370.0080.01914.25
5.5.360.0150.00214.17
5.5.350.0050.01914.27
5.5.340.0150.00314.00
5.5.330.0200.00014.42
5.5.320.0120.00614.32
5.5.310.0150.00014.15
5.5.300.0150.00414.39
5.5.290.0130.01014.21
5.5.280.0050.00814.30
5.5.270.0150.01114.14
5.5.260.0140.00514.11
5.5.250.0150.00814.08
5.5.240.0060.01014.00
5.5.230.0210.00014.18
5.5.220.0160.00514.18
5.5.210.0130.00514.21
5.5.200.0140.01014.25
5.5.190.0070.01113.93
5.5.180.0140.00814.27
5.5.170.0160.00614.15
5.5.160.0110.01113.98
5.5.150.0170.00813.99
5.5.140.0160.00313.82
5.5.130.0170.00713.87
5.5.120.0110.00913.80
5.5.110.0110.00913.77
5.5.100.0110.00913.96
5.5.90.0130.00713.75
5.5.80.0130.00314.10
5.5.70.0140.00213.97
5.5.60.0180.00313.88
5.5.50.0140.00014.26
5.5.40.0160.00614.23
5.5.30.0180.00414.22
5.5.20.0180.00013.65
5.5.10.0100.01013.98
5.5.00.0130.00913.67
5.4.450.0090.00610.99
5.4.440.0000.01111.07
5.4.430.0170.00010.85
5.4.420.0080.00510.96
5.4.410.0080.00310.93
5.4.400.0080.00510.96
5.4.390.0080.00410.90
5.4.380.0110.00310.64
5.4.370.0060.00610.84
5.4.360.0080.00810.98
5.4.350.0120.00310.70
5.4.340.0090.00511.11
5.4.330.0080.00410.82
5.4.320.0060.00610.83
5.4.310.0130.00410.92
5.4.300.0100.00510.76
5.4.290.0040.01211.05
5.4.280.0090.00510.73
5.4.270.0140.00010.76
5.4.260.0150.00310.83
5.4.250.0110.00410.67
5.4.240.0060.01210.85
5.4.230.0200.00010.63
5.4.220.0120.00610.88
5.4.210.0040.00910.80
5.4.200.0130.00210.93
5.4.190.0070.00710.82
5.4.180.0080.00810.72
5.4.170.0060.00810.57
5.4.160.0130.00310.86
5.4.150.0000.01410.76
5.4.140.0060.00610.91
5.4.130.0040.01110.66
5.4.120.0140.00010.79
5.4.110.0050.01110.89
5.4.100.0100.01010.77
5.4.90.0110.00511.04
5.4.80.0100.00710.79
5.4.70.0040.00810.73
5.4.60.0040.01110.85
5.4.50.0110.00410.93
5.4.40.0150.00410.89
5.4.30.0100.00510.95
5.4.20.0070.00710.96
5.4.10.0120.00410.83
5.4.00.0120.00310.92
5.3.290.0060.00610.29
5.3.280.0000.01610.04
5.3.270.0080.00510.16
5.3.260.0110.00610.27
5.3.250.0040.00810.11
5.3.240.0140.00010.10
5.3.230.0060.0069.85
5.3.220.0070.00410.07
5.3.210.0090.00610.11
5.3.200.0130.0009.97
5.3.190.0050.0089.96
5.3.180.0040.00810.32
5.3.170.0130.00010.14
5.3.160.0120.00010.23
5.3.150.0080.00410.36
5.3.140.0100.00510.18
5.3.130.0070.00910.16
5.3.120.0070.00210.22
5.3.110.0090.00810.29
5.3.100.0140.00310.22
5.3.90.0050.00510.39
5.3.80.0080.00810.02
5.3.70.0080.00410.22
5.3.60.0100.00510.20
5.3.50.0100.00010.16
5.3.40.0040.00810.21
5.3.30.0100.00310.13
5.3.20.0060.00910.14
5.3.10.0070.0079.86
5.3.00.0060.0039.70
5.2.170.0070.0049.39
5.2.160.0080.0059.39
5.2.150.0130.0009.39
5.2.140.0070.0039.39
5.2.130.0060.0069.39
5.2.120.0100.0059.39
5.2.110.0120.0009.39
5.2.100.0080.0049.39
5.2.90.0090.0039.39
5.2.80.0090.0039.39
5.2.70.0060.0059.39
5.2.60.0050.0059.39
5.2.50.0060.0039.39
5.2.40.0000.0129.39
5.2.30.0080.0029.39
5.2.20.0050.0059.39
5.2.10.0030.0069.39
5.2.00.0100.0009.39
5.1.60.0080.0009.39
5.1.50.0040.0049.39
5.1.40.0050.0059.39
5.1.30.0070.0009.39
5.1.20.0060.0069.39
5.1.10.0090.0009.39
5.1.00.0040.0049.39
5.0.50.0040.0049.39
5.0.40.0040.0049.39
5.0.30.0080.0009.39
5.0.20.0070.0009.39
5.0.10.0030.0069.39
5.0.00.0050.0039.39
4.4.90.0060.0009.39
4.4.80.0040.0049.39
4.4.70.0050.0009.39
4.4.60.0000.0049.39
4.4.50.0000.0089.39
4.4.40.0000.0079.39
4.4.30.0040.0049.39
4.4.20.0060.0009.39
4.4.10.0020.0029.39
4.4.00.0030.0059.39
4.3.110.0060.0009.39
4.3.100.0050.0039.39
4.3.90.0030.0069.39
4.3.80.0110.0009.39
4.3.70.0030.0039.39
4.3.60.0030.0069.39
4.3.50.0030.0039.39
4.3.40.0040.0049.39
4.3.30.0030.0039.39
4.3.20.0030.0039.39
4.3.10.0050.0009.39
4.3.00.0030.0039.39

preferences:
63.53 ms | 400 KiB | 5 Q