3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['Jay', 'Jay', 'Jay', 'Spiders', 'Dogs', 'Cats', 'John', 'John', 'John', 'Dogs', 'Cows', 'Snakes']; $new = array( array_shift( $array)); foreach( $array as $el) { if( !($array[count($array) - 1] === $el)) { $array[] = $el; } } print_r( $new);

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)
8.3.40.0090.00918.98
8.3.30.0140.00719.22
8.3.20.0040.00420.39
8.3.10.0060.00323.61
8.3.00.0050.00319.38
8.2.170.0090.00922.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0100.00326.16
8.2.120.0100.00722.31
8.2.110.0120.00922.32
8.2.100.0090.00317.91
8.2.90.0080.00019.35
8.2.80.0030.00618.05
8.2.70.0000.00817.63
8.2.60.0070.00417.77
8.2.50.0060.00318.07
8.2.40.0070.00018.34
8.2.30.0030.00618.00
8.2.20.0070.00017.75
8.2.10.0090.00018.10
8.2.00.0040.00417.80
8.1.270.0000.00823.84
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.84
8.1.230.0080.00319.07
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0070.00317.35
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0000.00818.58
8.1.160.0040.00422.09
8.1.150.0070.00018.55
8.1.140.0070.00017.44
8.1.130.0000.00717.88
8.1.120.0050.00217.32
8.1.110.0040.00417.46
8.1.100.0000.00717.47
8.1.90.0000.00917.51
8.1.80.0000.00917.52
8.1.70.0070.00017.34
8.1.60.0060.00317.60
8.1.50.0080.00017.41
8.1.40.0070.00017.50
8.1.30.0090.00017.57
8.1.20.0000.00817.67
8.1.10.0050.00217.55
8.1.00.0040.00417.55
8.0.300.0070.00018.77
8.0.290.0040.00417.05
8.0.280.0000.00718.48
8.0.270.0000.00717.14
8.0.260.0030.00616.73
8.0.250.0030.00316.99
8.0.240.0000.00816.99
8.0.230.0070.00016.95
8.0.220.0070.00016.88
8.0.210.0030.00316.76
8.0.200.0030.00316.96
8.0.190.0080.00316.94
8.0.180.0000.00716.83
8.0.170.0040.00416.87
8.0.160.0030.00416.79
8.0.150.0040.00416.73
8.0.140.0040.00416.89
8.0.130.0000.00513.28
8.0.120.0080.00016.73
8.0.110.0000.00716.92
8.0.100.0070.00016.82
8.0.90.0000.00716.86
8.0.80.0130.00316.95
8.0.70.0030.00616.74
8.0.60.0000.00816.72
8.0.50.0000.00816.92
8.0.30.0070.01217.12
8.0.20.0150.00617.40
8.0.10.0040.00416.81
8.0.00.0110.00816.87
7.4.330.0000.00515.13
7.4.320.0030.00316.59
7.4.300.0000.00616.61
7.4.290.0030.00316.64
7.4.280.0000.00716.62
7.4.270.0030.00316.55
7.4.260.0000.00816.48
7.4.250.0080.00016.63
7.4.240.0030.00416.54
7.4.230.0040.00416.31
7.4.220.0120.00616.60
7.4.210.0090.00616.59
7.4.200.0000.00716.65
7.4.190.0000.00716.45
7.4.160.0160.00816.33
7.4.150.0140.00317.40
7.4.140.0080.01317.86
7.4.130.0070.01116.50
7.4.120.0090.01016.45
7.4.110.0150.00716.54
7.4.100.0110.00716.41
7.4.90.0060.01816.46
7.4.80.0160.00319.39
7.4.70.0150.00316.52
7.4.60.0060.01216.29
7.4.50.0080.00016.59
7.4.40.0110.00422.77
7.4.30.0080.00816.68
7.4.00.0060.00914.82
7.3.330.0020.00213.07
7.3.320.0030.00213.16
7.3.310.0000.00716.18
7.3.300.0050.00216.35
7.3.290.0070.00716.37
7.3.280.0120.00716.36
7.3.270.0030.01517.40
7.3.260.0130.01016.32
7.3.250.0110.01016.41
7.3.240.0090.00916.27
7.3.230.0180.00616.64
7.3.210.0030.01616.48
7.3.200.0090.01219.39
7.3.190.0120.00916.44
7.3.180.0070.00916.56
7.3.170.0150.00616.28
7.3.160.0130.00316.53
7.3.120.0040.01214.86
7.3.110.0040.01414.89
7.3.100.0070.00714.71
7.3.90.0040.00714.97
7.3.80.0100.00314.46
7.3.70.0130.00314.67
7.3.60.0030.01014.55
7.3.50.0030.01314.73
7.3.40.0070.00314.39
7.3.30.0030.01314.69
7.3.20.0060.00616.76
7.3.10.0090.00416.68
7.3.00.0010.01116.75
7.2.330.0110.01116.36
7.2.320.0150.00316.81
7.2.310.0080.00916.76
7.2.300.0110.00716.70
7.2.290.0060.01116.77
7.2.240.0060.01014.86
7.2.230.0070.01114.86
7.2.220.0110.00714.95
7.2.210.0040.01215.00
7.2.200.0070.00414.84
7.2.190.0070.01114.71
7.2.180.0040.01214.93
7.2.170.0040.01115.03
7.2.160.0050.01014.93
7.2.150.0100.00716.59
7.2.140.0110.00317.00
7.2.130.0060.00816.80
7.2.120.0060.00917.00
7.2.110.0040.01116.80
7.2.100.0080.00616.99
7.2.90.0050.01016.95
7.2.80.0070.01016.82
7.2.70.0020.01616.64
7.2.60.0070.00816.73
7.2.50.0040.00916.85
7.2.40.0080.00516.83
7.2.30.0080.00516.85
7.2.20.0070.00816.80
7.2.10.0030.01317.03
7.2.00.0050.00817.78
7.1.330.0040.01115.77
7.1.320.0070.01015.86
7.1.310.0070.00315.54
7.1.300.0090.00615.50
7.1.290.0120.00415.86
7.1.280.0030.01015.52
7.1.270.0070.00715.50
7.1.260.0070.01015.84
7.1.250.0030.00715.81
7.1.100.0260.01317.78
7.1.70.0060.00617.07
7.1.60.0140.01019.33
7.1.50.0140.01016.93
7.1.00.0030.07722.44
7.0.200.0030.00616.75
7.0.140.0100.06721.96
7.0.100.0130.07719.93
7.0.90.0070.08019.89
7.0.80.0170.07320.03
7.0.70.0100.05019.88
7.0.60.0030.06719.97
7.0.50.0200.05720.27
7.0.40.0070.04020.15
7.0.30.0170.07720.10
7.0.20.0070.07320.18
7.0.10.0100.07720.18
7.0.00.0200.07320.04
5.6.280.0030.07320.86
5.6.250.0000.06720.52
5.6.240.0070.08720.50
5.6.230.0200.04320.62
5.6.220.0030.05720.73
5.6.210.0070.05720.66
5.6.200.0070.04721.17
5.6.190.0100.07721.07
5.6.180.0100.07721.16
5.6.170.0000.07320.95
5.6.160.0070.06021.07
5.6.150.0070.07021.00
5.6.140.0070.05021.04
5.6.130.0070.07021.11
5.6.120.0100.08021.00
5.6.110.0130.07320.97
5.6.100.0000.07721.03
5.6.90.0000.05321.15
5.6.80.0030.06320.39
5.6.70.0130.05720.42
5.6.60.0170.05020.46
5.6.50.0130.03720.51
5.6.40.0170.05020.48
5.6.30.0100.08020.35
5.6.20.0070.08020.37
5.6.10.0070.08020.29
5.6.00.0030.07720.42
5.5.380.0100.07320.43
5.5.370.0100.06720.38
5.5.360.0130.08720.38
5.5.350.0100.08720.34
5.5.340.0070.04320.73
5.5.330.0130.04020.79
5.5.320.0070.04720.93
5.5.310.0100.04320.82
5.5.300.0030.08020.73
5.5.290.0100.07320.88
5.5.280.0100.07320.83
5.5.270.0070.08720.76
5.5.260.0030.04720.82
5.5.250.0170.04720.69
5.5.240.0130.06320.21
5.5.230.0070.08320.01
5.5.220.0070.04720.15
5.5.210.0130.07020.26
5.5.200.0130.06020.22
5.5.190.0100.04320.17
5.5.180.0130.04020.18
5.5.160.0000.06020.15
5.5.150.0130.06720.18
5.5.140.0170.05720.21
5.5.130.0030.07320.26
5.5.120.0130.03720.23
5.5.110.0100.07720.21
5.5.100.0100.05320.01
5.5.90.0030.08020.15
5.5.80.0100.05720.00
5.5.70.0070.04319.92
5.5.60.0070.08020.13
5.5.50.0200.05020.15
5.5.40.0100.06020.05
5.5.30.0100.08020.05
5.5.20.0130.07319.95
5.5.10.0030.04320.04
5.5.00.0100.07720.06
5.4.450.0070.06319.50
5.4.440.0070.08019.53
5.4.430.0070.05019.20
5.4.420.0070.04319.35
5.4.410.0000.05019.20
5.4.400.0230.04718.95
5.4.390.0070.03719.23
5.4.380.0030.04319.13
5.4.370.0070.04019.16
5.4.360.0070.07719.16
5.4.350.0100.07319.05
5.4.340.0030.07019.12
5.4.320.0130.07019.18
5.4.310.0070.08018.95
5.4.300.0100.07318.82
5.4.290.0100.07319.09
5.4.280.0030.07019.02
5.4.270.0000.07319.03
5.4.260.0070.04319.12
5.4.250.0000.07719.05
5.4.240.0130.07019.22
5.4.230.0070.06019.06
5.4.220.0030.04019.04
5.4.210.0070.04319.02
5.4.200.0030.04319.12
5.4.190.0070.08019.11
5.4.180.0100.07719.15
5.4.170.0100.06019.17
5.4.160.0030.07019.10
5.4.150.0100.07318.85
5.4.140.0030.07316.48
5.4.130.0030.04716.45
5.4.120.0130.07016.32
5.4.110.0170.05316.46
5.4.100.0000.07716.50
5.4.90.0130.07016.32
5.4.80.0070.06016.37
5.4.70.0100.04716.46
5.4.60.0030.07716.39
5.4.50.0070.07316.38
5.4.40.0130.06716.36
5.4.30.0130.06316.38
5.4.20.0070.06716.31
5.4.10.0030.07316.30
5.4.00.0100.05015.87
5.3.290.0130.07314.65
5.3.280.0000.07714.43
5.3.270.0070.05014.42
5.3.260.0170.07014.43
5.3.250.0070.08314.47
5.3.240.0170.07714.49
5.3.230.0000.06314.42
5.3.220.0100.06314.56
5.3.210.0130.07314.38
5.3.200.0100.05314.56
5.3.190.0100.05014.43
5.3.180.0100.07714.47
5.3.170.0000.08014.57
5.3.160.0070.07714.52
5.3.150.0030.08014.38
5.3.140.0130.07014.42
5.3.130.0070.08314.41
5.3.120.0030.08314.54
5.3.110.0130.06714.37
5.3.100.0170.06714.04
5.3.90.0130.06714.02
5.3.80.0070.06713.88
5.3.70.0130.06314.01
5.3.60.0100.07013.98
5.3.50.0130.06713.92
5.3.40.0030.07713.72
5.3.30.0000.07313.82
5.3.20.0030.07313.45
5.3.10.0100.06013.43
5.3.00.0130.06013.41
5.2.170.0030.05310.93
5.2.160.0030.03711.15
5.2.150.0030.06310.98
5.2.140.0030.06711.12
5.2.130.0100.05710.90
5.2.120.0070.06010.95
5.2.110.0030.06310.93
5.2.100.0000.06311.08
5.2.90.0100.05711.15
5.2.80.0000.07011.09
5.2.70.0100.06011.09
5.2.60.0130.05311.07
5.2.50.0030.05711.03
5.2.40.0070.06010.96
5.2.30.0070.06711.04
5.2.20.0070.05710.98
5.2.10.0000.04310.80
5.2.00.0030.05710.64
5.1.60.0070.0539.84
5.1.50.0100.04310.02
5.1.40.0030.0539.97
5.1.30.0030.04710.24
5.1.20.0070.05310.40
5.1.10.0030.0509.91
5.1.00.0070.0479.95
5.0.50.0030.0478.39
5.0.40.0030.0438.41
5.0.30.0100.0578.26
5.0.20.0000.0378.26
5.0.10.0070.0478.26
5.0.00.0000.0638.14
4.4.90.0030.0337.86
4.4.80.0030.0337.86
4.4.70.0000.0307.86
4.4.60.0000.0407.86
4.4.50.0030.0337.86
4.4.40.0070.0407.86
4.4.30.0000.0377.86
4.4.20.0030.0337.86
4.4.10.0000.0377.86
4.4.00.0030.0577.86
4.3.110.0030.0337.86
4.3.100.0030.0377.86
4.3.90.0030.0307.86
4.3.80.0030.0537.86
4.3.70.0100.0277.86
4.3.60.0000.0377.86
4.3.50.0000.0377.86
4.3.40.0000.0537.86
4.3.30.0000.0237.86
4.3.20.0000.0377.86
4.3.10.0030.0337.86
4.3.00.0000.0377.86

preferences:
45.83 ms | 400 KiB | 5 Q