3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['a', 'a', 'a', 'b', 'c', 'd', 'e']; $del_var = 'a'; for ($i = 0; $i < count($array); $i++) { if ($array[$i] === $del_var) { unset($array[$i]); break; } } print_r($array);

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)
8.4.130.0100.01117.73
8.4.120.0120.00820.54
8.4.110.0130.00620.61
8.4.100.0110.00917.90
8.4.90.0100.01218.61
8.4.80.0110.00917.80
8.4.70.0050.00517.89
8.4.60.0120.00820.45
8.4.50.0140.00717.59
8.4.40.0100.01017.61
8.4.30.0150.00917.76
8.4.20.0050.00517.75
8.4.10.0060.01017.57
8.3.260.0120.00716.57
8.3.250.0090.00619.08
8.3.240.0050.00316.74
8.3.230.0120.00916.51
8.3.220.0040.00317.31
8.3.210.0130.00616.63
8.3.200.0030.00516.60
8.3.190.0080.00717.03
8.3.180.0070.01119.26
8.3.170.0090.00918.88
8.3.160.0090.00617.08
8.3.150.0130.00716.62
8.3.140.0050.00316.72
8.3.130.0060.00318.20
8.3.120.0000.00820.58
8.3.110.0050.00316.65
8.3.100.0040.00424.06
8.3.90.0040.00426.77
8.3.80.0070.00418.31
8.3.70.0060.01218.43
8.3.60.0110.00718.40
8.3.50.0090.00818.27
8.3.40.0090.00618.53
8.3.30.0030.01318.71
8.3.20.0040.00418.90
8.3.10.0050.00320.86
8.3.00.0040.00417.80
8.2.290.0120.00720.45
8.2.280.0080.00118.13
8.2.270.0070.01122.51
8.2.260.0110.00716.99
8.2.250.0150.00418.29
8.2.240.0080.00018.91
8.2.230.0050.00320.94
8.2.220.0030.00637.54
8.2.210.0040.00426.77
8.2.200.0050.00516.63
8.2.190.0140.00716.75
8.2.180.0120.00616.63
8.2.170.0090.00619.06
8.2.160.0120.00322.96
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0040.00419.95
8.2.120.0050.00226.35
8.2.110.0030.00720.97
8.2.100.0120.00019.57
8.2.90.0000.00819.05
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0050.00517.93
8.2.50.0060.00318.07
8.2.40.0080.00019.82
8.2.30.0070.00018.04
8.2.20.0030.00518.09
8.2.10.0000.00817.96
8.2.00.0030.00319.43
8.1.330.0100.00821.98
8.1.320.0100.01216.02
8.1.310.0070.01118.19
8.1.300.0110.00718.31
8.1.290.0060.00330.84
8.1.280.0100.01025.92
8.1.270.0040.00422.08
8.1.260.0070.00026.35
8.1.250.0000.01028.09
8.1.240.0100.00022.66
8.1.230.0030.00917.76
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0060.00317.23
8.1.180.0030.00518.10
8.1.170.0060.00318.50
8.1.160.0030.00518.79
8.1.150.0040.00418.88
8.1.140.0000.00717.73
8.1.130.0000.00718.91
8.1.120.0050.00217.48
8.1.110.0040.00417.40
8.1.100.0050.00317.40
8.1.90.0000.00717.28
8.1.80.0080.00017.37
8.1.70.0040.00417.43
8.1.60.0000.01117.52
8.1.50.0080.00517.48
8.1.40.0000.00817.41
8.1.30.0050.00317.47
8.1.20.0050.00217.70
8.1.10.0030.00717.47
8.1.00.0040.00417.51
8.0.300.0020.00518.77
8.0.290.0030.00616.63
8.0.280.0040.00418.30
8.0.270.0000.00817.17
8.0.260.0040.00417.20
8.0.250.0070.00016.86
8.0.240.0060.00316.84
8.0.230.0000.00716.84
8.0.220.0030.00316.87
8.0.210.0000.00816.78
8.0.200.0000.00816.82
8.0.190.0050.00316.88
8.0.180.0000.00716.75
8.0.170.0030.00616.87
8.0.160.0080.00016.73
8.0.150.0040.00416.80
8.0.140.0000.00816.85
8.0.130.0070.00013.34
8.0.120.0040.00416.81
8.0.110.0000.00716.71
8.0.100.0000.00716.87
8.0.90.0040.00316.77
8.0.80.0050.01416.85
8.0.70.0040.00416.90
8.0.60.0040.00416.70
8.0.50.0080.00016.89
8.0.30.0110.00817.06
8.0.20.0110.00817.40
8.0.10.0000.00716.91
8.0.00.0090.00916.81
7.4.330.0000.00515.55
7.4.320.0030.00316.49
7.4.300.0030.00316.40
7.4.290.0030.00316.52
7.4.280.0000.00816.63
7.4.270.0000.00716.58
7.4.260.0070.00016.53
7.4.250.0070.00016.46
7.4.240.0070.00016.51
7.4.230.0090.00016.59
7.4.220.0050.00316.61
7.4.210.0120.00516.59
7.4.200.0030.00316.63
7.4.160.0050.01216.46
7.4.140.0140.00617.86
7.4.130.0100.01416.56
7.4.120.0120.00716.44
7.4.110.0070.01016.39
7.4.100.0110.01116.47
7.4.90.0130.00316.51
7.4.80.0150.00819.39
7.4.70.0100.00716.46
7.4.60.0070.01016.39
7.4.50.0120.00316.29
7.4.40.0090.00916.46
7.4.00.0060.00914.87
7.3.330.0000.00613.08
7.3.320.0060.00013.21
7.3.310.0030.00316.27
7.3.300.0030.00316.32
7.3.290.0000.00716.36
7.3.280.0060.00816.32
7.3.260.0120.01016.40
7.3.240.0100.01016.38
7.3.230.0100.00616.34
7.3.210.0060.01216.50
7.3.200.0080.00816.56
7.3.190.0130.00316.30
7.3.180.0090.00616.66
7.3.170.0060.01116.57
7.3.160.0130.00316.29
7.3.120.0060.00914.52
7.3.110.0070.01014.57
7.3.100.0030.00914.93
7.3.90.0030.01014.78
7.3.80.0040.01114.96
7.3.70.0030.00614.75
7.3.60.0120.00914.79
7.3.50.0060.00914.54
7.3.40.0030.00914.79
7.3.30.0110.00414.68
7.3.20.0060.00916.68
7.3.10.0030.00616.93
7.3.00.0040.00416.55
7.2.330.0170.00316.32
7.2.320.0040.01916.62
7.2.310.0120.01216.37
7.2.300.0100.00716.59
7.2.290.0100.01316.53
7.2.250.0030.01615.16
7.2.240.0000.02014.86
7.2.230.0040.01514.91
7.2.220.0030.00914.73
7.2.210.0030.00615.14
7.2.200.0000.01415.05
7.2.190.0040.00815.05
7.2.180.0080.00414.90
7.2.170.0000.01615.17
7.2.60.4250.00815.14
7.2.50.4570.01014.99
7.2.40.5400.00815.29
7.2.30.3920.01115.45
7.2.20.3420.00715.45
7.2.10.4160.00615.59
7.2.00.3980.01215.41
7.1.330.0080.00816.05
7.1.320.0060.00615.98
7.1.310.0030.00615.96
7.1.300.0070.00415.81
7.1.290.0060.00615.85
7.1.280.0070.00415.87
7.1.270.0100.00315.74
7.1.260.0000.01615.58
7.1.200.0000.01415.80
7.1.170.3630.00713.64
7.1.160.3920.01416.96
7.1.150.3500.01016.95
7.1.140.3650.01216.96
7.1.130.4680.01216.83
7.1.120.4440.01716.70
7.1.110.4510.00916.52
7.1.100.4030.01116.32
7.1.90.4650.01316.13
7.1.80.5930.01316.10
7.1.70.6870.01515.46
7.1.60.7500.01633.23
7.1.51.0290.01633.08
7.1.41.1130.01932.57
7.1.31.0210.01732.83
7.1.20.8350.01432.57
7.1.10.6310.01215.00
7.1.00.5380.01214.88

preferences:
28.03 ms | 403 KiB | 5 Q