3v4l.org

run code in 300+ PHP versions simultaneously
<?php set_time_limit(1); $arr = ['f' => 'apple', 'g' => 'banana']; $i = 1; foreach ($arr AS $key => $fruit) { $arr[$i] = $fruit; unset($arr[$key]); $i++; } var_dump($arr);

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)
8.3.60.0110.00418.55
8.3.50.0090.00922.01
8.3.40.0150.00018.79
8.3.30.0110.00419.11
8.3.20.0090.00020.29
8.3.10.0050.00320.37
8.3.00.0080.00019.13
8.2.180.0120.00416.75
8.2.170.0120.00322.96
8.2.160.0110.00420.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.14
8.2.110.0090.00020.58
8.2.100.0040.00718.28
8.2.90.0000.00819.21
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0070.00017.93
8.2.50.0030.00618.07
8.2.40.0080.00020.07
8.2.30.0090.00918.01
8.2.20.0000.00817.62
8.2.10.0070.00018.11
8.2.00.0040.00417.67
8.1.280.0100.00725.92
8.1.270.0060.00323.87
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00723.96
8.1.230.0040.00819.09
8.1.220.0000.00817.78
8.1.210.0000.00918.77
8.1.200.0030.00617.36
8.1.190.0030.00517.35
8.1.180.0030.00518.10
8.1.170.0050.00318.35
8.1.160.0050.00222.01
8.1.150.0040.00418.80
8.1.140.0040.00417.50
8.1.130.0000.00717.83
8.1.120.0040.00417.49
8.1.110.0000.00717.41
8.1.100.0040.00417.49
8.1.90.0000.00717.46
8.1.80.0050.00317.37
8.1.70.0030.00317.45
8.1.60.0000.00817.63
8.1.50.0050.00317.43
8.1.40.0030.00617.37
8.1.30.0030.00617.63
8.1.20.0070.00017.70
8.1.10.0050.00217.45
8.1.00.0030.01017.46
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.50
8.0.270.0070.00017.30
8.0.260.0030.00317.31
8.0.250.0070.00016.89
8.0.240.0040.00416.97
8.0.230.0000.00716.87
8.0.220.0030.00316.93
8.0.210.0000.00716.97
8.0.200.0000.00716.93
8.0.190.0040.00417.00
8.0.180.0070.00017.00
8.0.170.0030.00516.82
8.0.160.0070.00016.93
8.0.150.0070.00016.82
8.0.140.0050.00216.88
8.0.130.0060.00013.19
8.0.120.0000.00816.79
8.0.110.0070.00016.85
8.0.100.0040.00416.80
8.0.90.0030.00316.94
8.0.80.0100.00716.85
8.0.70.0050.00316.78
8.0.60.0040.00416.78
8.0.50.0050.00216.77
8.0.30.0070.01216.96
8.0.20.0090.01317.40
8.0.10.0040.00416.89
8.0.00.0100.00716.69
7.4.330.0020.00215.00
7.4.320.0030.00316.53
7.4.300.0030.00316.52
7.4.290.0000.00716.56
7.4.280.0040.00416.56
7.4.270.0050.00216.55
7.4.260.0070.00016.60
7.4.250.0030.00316.40
7.4.240.0000.00716.63
7.4.230.0020.00516.63
7.4.220.0070.01116.64
7.4.210.0090.00616.63
7.4.200.0000.00716.69
7.4.160.0060.00916.42
7.4.150.0090.01317.40
7.4.140.0100.00817.86
7.4.130.0110.00616.41
7.4.120.0050.01116.54
7.4.110.0060.01016.70
7.4.100.0090.01216.51
7.4.90.0090.00616.42
7.4.80.0040.01519.39
7.4.70.0120.00416.42
7.4.60.0100.00716.32
7.4.50.0060.00316.43
7.4.40.0070.01416.40
7.4.30.0100.01116.50
7.4.00.0140.00314.71
7.3.330.0000.00613.17
7.3.320.0000.00513.18
7.3.310.0000.00716.15
7.3.300.0030.00316.32
7.3.290.0070.00716.35
7.3.280.0080.00816.32
7.3.270.0070.01017.40
7.3.260.0160.00816.27
7.3.250.0130.00816.31
7.3.240.0090.00916.47
7.3.230.0120.00416.46
7.3.210.0130.00316.32
7.3.200.0050.01519.39
7.3.190.0040.01216.65
7.3.180.0110.00616.62
7.3.170.0030.01316.60
7.3.160.0090.00616.57
7.2.330.0080.00816.44
7.2.320.0130.00316.59
7.2.310.0080.00916.56
7.2.300.0110.00816.70
7.2.290.0070.01016.64
7.2.00.0070.01019.46
7.1.100.0040.00718.34
7.1.70.0030.00517.09
7.1.60.0100.01319.32
7.1.50.0030.00916.71
7.1.00.0000.08022.36
7.0.200.0030.00616.85
7.0.140.0030.07322.19
7.0.60.0070.03719.78
7.0.50.0000.04317.81
7.0.40.0070.04020.07
7.0.30.0670.06720.13
7.0.20.0170.04720.33
7.0.10.0330.07720.18
7.0.00.0030.04320.18
5.6.280.0070.07020.92
5.6.210.0100.08020.75
5.6.200.0030.06018.09
5.6.190.0100.05020.33
5.6.180.3930.04720.49
5.6.170.0270.03720.49
5.6.160.0070.04720.48
5.6.150.0100.08018.07
5.6.140.0000.04018.20
5.6.130.0070.04018.11
5.6.120.0100.03721.09
5.6.110.0030.08720.95
5.6.100.0130.07721.08
5.6.90.0200.07721.03
5.6.80.0100.03720.39
5.5.350.0170.08720.52
5.5.340.0130.07317.98
5.5.330.0030.04320.40
5.5.320.0230.04720.13
5.5.310.0170.07720.51
5.5.300.0100.03717.93
5.5.290.0100.07717.89
5.5.280.0170.04320.98
5.5.270.0070.08320.84
5.5.260.0030.06020.79
5.5.250.0100.07720.54
5.5.240.0070.04020.26
5.4.450.0330.03319.58
5.4.440.0570.06019.25
5.4.430.0500.06719.51
5.4.420.0630.00019.30
5.4.410.0600.00019.20
5.4.400.0600.00019.23
5.4.390.0600.00019.07
5.4.380.0630.00019.13
5.4.370.0800.00019.13
5.4.360.0600.00019.09
5.4.350.0600.00018.95
5.4.340.0600.00019.16
5.4.320.0030.03912.46
5.4.310.0110.03212.45
5.4.300.0050.03812.46
5.4.290.0050.04112.45
5.4.280.0060.04212.35
5.4.270.0050.03712.35
5.4.260.0050.03812.35
5.4.250.0070.03812.35
5.4.240.0070.03712.35
5.4.230.0060.03712.34
5.4.220.0070.04212.34
5.4.210.0050.04612.34
5.4.200.0090.03912.34
5.4.190.0050.04412.34
5.4.180.0040.03912.34
5.4.170.0060.04712.35
5.4.160.0060.03712.35
5.4.150.0110.03012.34
5.4.140.0050.03712.02
5.4.130.0050.03912.01
5.4.120.0060.03811.97
5.4.110.0120.03011.97
5.4.100.0070.03711.97
5.4.90.0020.04311.96
5.4.80.0040.03911.97
5.4.70.0060.03411.97
5.4.60.0060.03411.96
5.4.50.0070.04011.96
5.4.40.0050.03411.95
5.4.30.0060.03511.95
5.4.20.0060.03511.95
5.4.10.0030.04111.95
5.4.00.0080.04411.44
5.3.290.0120.03512.80
5.3.280.0050.03812.71
5.3.270.0060.03912.72
5.3.260.0080.04812.72
5.3.250.0100.04712.72
5.3.240.0090.04212.72
5.3.230.0090.03612.71
5.3.220.0090.04212.68
5.3.210.0100.04212.68
5.3.200.0080.04412.68
5.3.190.0070.03712.68
5.3.180.0050.03712.67
5.3.170.0050.03712.67
5.3.160.0060.03712.68
5.3.150.0050.03812.68
5.3.140.0090.03712.66
5.3.130.0090.03912.65
5.3.120.0040.04212.66
5.3.110.0060.04012.66
5.3.100.0120.03312.11
5.3.90.0050.04112.08
5.3.80.0080.04212.07
5.3.70.0060.03912.07
5.3.60.0060.03912.07
5.3.50.0070.03812.00
5.3.40.0060.03712.00
5.3.30.0070.03511.95
5.3.20.0070.03611.72
5.3.10.0040.03811.70
5.3.00.0080.03311.68
5.2.170.0040.0309.18
5.2.160.0060.0329.18
5.2.150.0040.0319.18
5.2.140.0040.0329.18
5.2.130.0030.0309.14
5.2.120.0040.0309.14
5.2.110.0030.0309.15
5.2.100.0060.0269.14
5.2.90.0060.0279.14
5.2.80.0070.0319.14
5.2.70.0040.0329.14
5.2.60.0050.0309.09
5.2.50.0050.0309.06
5.2.40.0020.0319.04
5.2.30.0030.0339.01
5.2.20.0060.0289.00
5.2.10.0050.0288.92
5.2.00.0060.0288.78
5.1.60.0040.0248.06
5.1.50.0080.0218.06
5.1.40.0040.0248.05
5.1.30.0070.0238.40
5.1.20.0030.0278.42
5.1.10.0060.0258.14
5.1.00.0080.0288.14
5.0.50.0040.0266.63
5.0.40.0070.0196.48
5.0.30.0040.0336.29
5.0.20.0050.0196.26
5.0.10.0030.0246.24
5.0.00.0060.0396.23
4.4.90.0030.0224.77
4.4.80.0020.0184.75
4.4.70.0050.0144.75
4.4.60.0020.0194.75
4.4.50.0030.0184.77
4.4.40.0010.0334.71
4.4.30.0030.0204.76
4.4.20.0040.0204.84
4.4.10.0060.0184.85
4.4.00.0020.0294.76
4.3.110.0040.0174.67
4.3.100.0020.0174.66
4.3.90.0030.0194.63
4.3.80.0010.0284.58
4.3.70.0040.0164.63
4.3.60.0030.0164.63
4.3.50.0060.0144.63
4.3.40.0030.0264.54
4.3.30.0020.0183.28
4.3.20.0030.0183.26
4.3.10.0050.0153.22
4.3.00.0070.01313.59

preferences:
54.09 ms | 401 KiB | 5 Q