3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( '1st' => 'a', '2nd' => 'b', '3rd' => 'b' ); foreach($array as $key => &$value) { if($value === 'a') { $array['1st'] = '1'; $array['2nd'] = '2'; array_splice($array, 0, 0, array('x')); //array pointer 초기화 //array_splice($array, count($array), 0, array('y')); //array pointer 초기화 } var_dump($key . ' - ' . $value); } unset($value);

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)
8.3.60.0120.00316.50
8.3.50.0070.01418.05
8.3.40.0180.00318.70
8.3.30.0100.01018.74
8.3.20.0000.00920.21
8.3.10.0080.00020.52
8.3.00.0040.00420.82
8.2.180.0090.00618.20
8.2.170.0120.00322.96
8.2.160.0100.01018.86
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0030.00619.23
8.2.120.0040.00426.35
8.2.110.0070.01120.57
8.2.100.0060.00617.84
8.2.90.0050.00318.03
8.2.80.0040.00418.16
8.2.70.0040.00417.63
8.2.60.0050.00318.16
8.2.50.0050.00318.10
8.2.40.0000.00820.30
8.2.30.0000.00720.69
8.2.20.0000.00717.61
8.2.10.0000.00718.04
8.2.00.0040.00418.00
8.1.280.0060.00925.92
8.1.270.0090.00023.68
8.1.260.0000.00728.09
8.1.250.0110.00428.09
8.1.240.0070.01522.60
8.1.230.0070.00320.90
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00817.36
8.1.190.0090.00017.35
8.1.180.0050.00318.10
8.1.170.0000.00818.64
8.1.160.0000.00720.80
8.1.150.0040.00418.93
8.1.140.0040.00419.57
8.1.130.0030.00617.70
8.1.120.0040.00417.48
8.1.110.0080.00017.37
8.1.100.0000.00717.38
8.1.90.0040.00417.41
8.1.80.0050.00317.38
8.1.70.0030.00317.40
8.1.60.0030.00517.55
8.1.50.0040.00417.57
8.1.40.0000.00917.42
8.1.30.0000.00817.52
8.1.20.0000.00817.68
8.1.10.0040.00417.54
8.1.00.0000.01017.52
8.0.300.0000.00719.98
8.0.290.0000.00816.75
8.0.280.0000.00718.48
8.0.270.0030.00317.13
8.0.260.0000.00717.26
8.0.250.0030.00316.95
8.0.240.0000.00716.97
8.0.230.0000.00716.96
8.0.220.0000.00716.91
8.0.210.0040.00416.84
8.0.200.0030.00316.94
8.0.190.0070.00016.96
8.0.180.0040.00416.80
8.0.170.0000.00716.92
8.0.160.0070.00016.91
8.0.150.0030.00316.72
8.0.140.0040.00416.88
8.0.130.0000.00513.20
8.0.120.0020.00516.80
8.0.110.0000.00716.87
8.0.100.0000.00816.77
8.0.90.0040.00416.71
8.0.80.0090.00616.96
8.0.70.0000.00716.85
8.0.60.0000.00716.81
8.0.50.0040.00416.79
8.0.30.0100.01016.83
8.0.20.0100.00817.40
8.0.10.0040.00416.80
8.0.00.0120.01116.77
7.4.330.0060.00015.08
7.4.320.0030.00316.58
7.4.300.0000.00616.42
7.4.290.0000.00716.45
7.4.280.0040.00416.41
7.4.270.0030.00316.41
7.4.260.0040.00416.50
7.4.250.0000.00716.48
7.4.240.0070.00016.56
7.4.230.0070.00016.67
7.4.220.0060.01416.61
7.4.210.0030.01716.46
7.4.200.0030.00316.62
7.4.160.0030.01616.27
7.4.150.0120.00617.40
7.4.140.0050.01217.86
7.4.130.0100.00716.42
7.4.120.0070.01416.59
7.4.110.0060.01216.40
7.4.100.0090.00916.50
7.4.90.0030.01516.45
7.4.80.0030.01319.39
7.4.70.0060.01616.63
7.4.60.0060.01016.48
7.4.50.0000.01016.48
7.4.40.0120.00916.19
7.4.30.0030.01516.71
7.4.10.0100.00715.16
7.4.00.0030.01314.78
7.3.330.0050.00013.08
7.3.320.0050.00013.18
7.3.310.0030.00316.46
7.3.300.0040.00416.32
7.3.290.0100.00816.33
7.3.280.0080.01216.35
7.3.270.0110.00817.40
7.3.260.0200.00316.66
7.3.250.0110.00816.33
7.3.240.0070.01016.28
7.3.230.0140.00716.53
7.3.210.0100.01316.58
7.3.200.0110.01016.43
7.3.190.0060.00916.24
7.3.180.0000.01716.39
7.3.170.0060.01116.35
7.3.160.0090.01116.45
7.3.130.0070.01014.75
7.3.120.0100.00815.13
7.3.110.0060.01214.81
7.3.100.0050.01214.85
7.3.90.0090.00914.99
7.3.80.0050.00614.76
7.3.70.0080.00814.92
7.3.60.0050.00714.83
7.3.50.0040.00914.50
7.3.40.0080.00614.70
7.3.30.0030.00914.75
7.3.20.0040.00916.84
7.3.10.0040.00916.72
7.3.00.0060.00716.69
7.2.330.0100.00716.48
7.2.320.0150.00616.66
7.2.310.0110.00716.61
7.2.300.0140.00316.75
7.2.290.0040.01216.75
7.2.260.0030.01615.16
7.2.250.0050.01415.07
7.2.240.0090.00914.77
7.2.230.0050.01014.88
7.2.220.0060.01015.09
7.2.210.0030.00914.74
7.2.200.0080.00614.84
7.2.190.0060.00814.96
7.2.180.0050.00915.03
7.2.170.0070.00814.92
7.2.160.0080.00414.97
7.2.150.0040.01117.08
7.2.140.0110.00416.65
7.2.130.0100.00516.90
7.2.120.0050.01116.79
7.2.110.0050.00616.65
7.2.100.0040.00916.67
7.2.90.0060.01017.02
7.2.80.0090.00716.91
7.2.70.0070.00716.93
7.2.60.0070.00816.85
7.2.50.0050.01016.80
7.2.40.0070.00716.84
7.2.30.0060.00816.82
7.2.20.0080.00616.97
7.2.10.0050.00816.86
7.2.00.0040.00917.82
7.1.330.0100.00515.89
7.1.320.0080.00915.72
7.1.310.0100.00615.77
7.1.300.0040.01215.57
7.1.290.0080.00515.78
7.1.280.0070.00715.87
7.1.270.0100.00315.86
7.1.260.0020.01315.84
7.1.250.0090.00416.02
7.1.240.0130.00315.68
7.1.230.0070.00716.00
7.1.220.0080.00415.84
7.1.210.0110.00615.67
7.1.200.0060.00715.85
7.1.190.0040.01116.03
7.1.180.0100.00315.79
7.1.170.0040.00815.90
7.1.160.0040.01215.97
7.1.150.0000.00915.93
7.1.140.0000.01215.94
7.1.130.0100.00315.98
7.1.120.0060.00315.81
7.1.110.0000.01415.88
7.1.100.0110.00517.16
7.1.90.0060.00615.83
7.1.80.0060.00315.92
7.1.70.0090.00416.43
7.1.60.0080.01017.76
7.1.50.0110.00816.34
7.1.40.0030.00715.94
7.1.30.0070.00415.76
7.1.20.0090.00615.96
7.1.10.0040.00715.98
7.1.00.0080.03719.01
7.0.330.0090.00615.36
7.0.320.0040.00715.40
7.0.310.0100.00615.18
7.0.300.0070.00315.25
7.0.290.0060.00915.41
7.0.280.0070.00715.25
7.0.270.0000.01315.50
7.0.260.0060.00615.43
7.0.250.0040.01115.44
7.0.240.0040.00715.50
7.0.230.0000.00815.45
7.0.220.0000.01115.46
7.0.210.0000.00815.39
7.0.200.0030.00716.17
7.0.190.0020.01315.35
7.0.180.0030.00515.39
7.0.170.0070.00715.61
7.0.160.0050.00515.27
7.0.150.0070.00415.61
7.0.140.0060.00615.53
7.0.130.0000.00815.32
7.0.120.0050.00515.41
7.0.110.0060.00615.45
7.0.100.0070.00715.45
7.0.90.0040.01215.58
7.0.80.0000.00815.42
7.0.70.0030.00615.50
7.0.60.0130.03817.72
7.0.50.0060.04216.62
7.0.40.0180.02816.92
7.0.30.0150.03716.96
7.0.20.0220.03016.89
7.0.10.0120.03416.84
7.0.00.0190.04216.83
5.6.400.0000.01314.79
5.6.390.0090.00914.25
5.6.380.0030.01614.66
5.6.370.0030.01514.36
5.6.360.0000.01714.36
5.6.350.0100.00014.16
5.6.340.0100.00314.77
5.6.330.0000.00814.55
5.6.320.0070.00714.53
5.6.310.0060.00914.41
5.6.300.0040.00714.72
5.6.290.0030.00914.53
5.6.280.0010.04117.73
5.6.270.0040.01114.57
5.6.260.0090.00614.50
5.6.250.0040.00414.55
5.6.240.0000.01114.39
5.6.230.0060.00614.51
5.6.220.0080.00414.49
5.6.210.0060.04117.56
5.6.200.0050.02416.31
5.6.190.0150.03417.56
5.6.180.0080.03317.53
5.6.170.0180.02817.63
5.6.160.0180.03117.50
5.6.150.0120.03317.33
5.6.140.0120.03517.56
5.6.130.0120.03517.49
5.6.120.0100.03017.47
5.6.110.0300.03417.39
5.6.100.0440.03217.43
5.6.90.0090.03417.55
5.6.80.0430.04017.15
5.6.70.0130.02816.97
5.6.60.0450.03617.01
5.6.50.0370.03217.04
5.6.40.0400.03516.98
5.6.30.0500.02717.28
5.6.20.0450.02817.21
5.6.10.0490.02816.92
5.6.00.0430.03317.06
5.5.380.0050.00514.43
5.5.370.0030.00714.47
5.5.360.0040.01114.28
5.5.350.0100.02117.37
5.5.340.0100.02016.28
5.5.330.0170.03017.30
5.5.320.0070.03817.38
5.5.310.0080.03317.40
5.5.300.0080.03617.14
5.5.290.0130.03117.42
5.5.280.0050.03917.41
5.5.270.0500.02517.21
5.5.260.0370.02817.07
5.5.250.0070.03417.18
5.5.240.0400.02916.95
5.5.230.0050.03416.99
5.5.220.0190.02816.89
5.5.210.0450.03016.92
5.5.200.0380.02717.01
5.5.190.0460.03116.75
5.5.180.0420.03216.87
5.5.170.0060.01014.45
5.5.160.0470.03616.87
5.5.150.0480.03116.83
5.5.140.0390.03616.92
5.5.130.0440.02716.87
5.5.120.0400.03416.99
5.5.110.0400.02717.05
5.5.100.0400.02816.99
5.5.90.0300.03716.86
5.5.80.0320.03516.66
5.5.70.0470.02816.88
5.5.60.0450.03016.89
5.5.50.0450.02716.91
5.5.40.0450.02716.83
5.5.30.0320.03516.79
5.5.20.0450.03016.85
5.5.10.0460.02817.03
5.5.00.0520.03416.79

preferences:
60.1 ms | 401 KiB | 5 Q