3v4l.org

run code in 300+ PHP versions simultaneously
<?php $first = array(0 => 21, 1 => 2, 2 => 1, 3 => 2); $second = array(0 => 21, 1 => 2); foreach ($second as $v) { unset($first[array_search($v, $first)]); } print_r($first);

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)
8.3.70.0140.00716.63
8.3.60.0040.01516.75
8.3.50.0100.01217.54
8.3.40.0060.01218.52
8.3.30.0120.00318.53
8.3.20.0040.01421.54
8.3.10.0040.00423.66
8.3.00.0030.00519.56
8.2.190.0100.00718.41
8.2.180.0110.00318.41
8.2.170.0090.00622.96
8.2.160.0070.00719.41
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0110.00426.16
8.2.120.0070.00020.68
8.2.110.0060.01220.58
8.2.100.0070.00317.78
8.2.90.0000.00818.03
8.2.80.0030.00519.14
8.2.70.0040.00417.63
8.2.60.0000.00917.68
8.2.50.0030.00618.10
8.2.40.0050.00220.41
8.2.30.0050.00219.19
8.2.20.0040.00418.02
8.2.10.0070.00018.12
8.2.00.0030.00517.98
8.1.280.0070.01025.92
8.1.270.0000.00820.57
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0190.00323.91
8.1.230.0030.00820.86
8.1.220.0060.00317.79
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.36
8.1.180.0080.00018.10
8.1.170.0080.00018.66
8.1.160.0030.00518.93
8.1.150.0040.00418.93
8.1.140.0040.00419.50
8.1.130.0040.00718.99
8.1.120.0070.00017.39
8.1.110.0040.00417.34
8.1.100.0000.00717.40
8.1.90.0020.00517.41
8.1.80.0050.00217.43
8.1.70.0070.00417.34
8.1.60.0040.00417.56
8.1.50.0000.00717.53
8.1.40.0080.00017.39
8.1.30.0060.00317.63
8.1.20.0000.00717.65
8.1.10.0000.00917.48
8.1.00.0000.00717.38
8.0.300.0020.00521.95
8.0.290.0050.00316.75
8.0.280.0070.00018.34
8.0.270.0070.00017.25
8.0.260.0060.00017.36
8.0.250.0000.00716.88
8.0.240.0040.00416.83
8.0.230.0030.00316.85
8.0.220.0040.00316.70
8.0.210.0000.00716.79
8.0.200.0070.00016.96
8.0.190.0080.00016.96
8.0.180.0040.00416.93
8.0.170.0070.00016.88
8.0.160.0000.00816.74
8.0.150.0000.00716.77
8.0.140.0030.00316.84
8.0.130.0080.00013.24
8.0.120.0040.00416.73
8.0.110.0000.00716.89
8.0.100.0050.00216.86
8.0.90.0040.00416.76
8.0.80.0080.00816.91
8.0.70.0000.00717.00
8.0.60.0000.00716.84
8.0.50.0000.00716.89
8.0.30.0090.00617.08
8.0.20.0110.01217.40
8.0.10.0000.00716.98
8.0.00.0070.01016.73
7.4.330.0000.00615.55
7.4.320.0030.00316.49
7.4.300.0040.00416.57
7.4.290.0030.00316.58
7.4.280.0070.00016.50
7.4.270.0050.00316.58
7.4.260.0030.00516.57
7.4.250.0000.00716.42
7.4.240.0000.00716.39
7.4.230.0000.00716.70
7.4.220.0190.00616.55
7.4.210.0110.00516.41
7.4.200.0040.00416.37
7.4.160.0120.00716.48
7.4.150.0040.01317.40
7.4.140.0110.00917.86
7.4.130.0110.00716.36
7.4.120.0140.00916.49
7.4.110.0090.00916.50
7.4.100.0100.00716.52
7.4.90.0060.01116.64
7.4.80.0130.00619.39
7.4.70.0190.00616.35
7.4.60.0100.00616.46
7.4.50.0030.00616.58
7.4.40.0000.01816.58
7.4.30.0030.01316.43
7.4.00.0060.00915.00
7.3.330.0060.00013.07
7.3.320.0060.00013.17
7.3.310.0030.00316.21
7.3.300.0070.00016.29
7.3.290.0100.00516.25
7.3.280.0080.00916.23
7.3.270.0070.01017.40
7.3.260.0080.01016.23
7.3.250.0090.00816.41
7.3.240.0120.00716.46
7.3.230.0160.00016.44
7.3.210.0040.01416.29
7.3.200.0100.00716.52
7.3.190.0130.00316.22
7.3.180.0110.01116.67
7.3.170.0080.00816.39
7.3.160.0090.00616.19
7.3.50.0110.00714.53
7.3.40.0110.00314.63
7.3.30.0070.00714.50
7.3.20.0130.01314.80
7.3.10.0070.00714.99
7.3.00.0120.00614.88
7.2.330.0110.00616.67
7.2.320.0100.00616.58
7.2.310.0130.00316.37
7.2.300.0100.00716.47
7.2.290.0070.00716.56
7.2.180.0130.00014.86
7.2.170.0080.00614.98
7.2.160.0030.01415.10
7.2.150.0110.00315.11
7.2.140.0130.00715.02
7.2.130.0090.00914.96
7.2.120.0090.00915.13
7.2.110.0160.00714.94
7.2.100.0120.00615.18
7.2.90.0810.00315.29
7.2.80.0130.00315.02
7.2.70.0120.00315.07
7.2.60.0210.00715.10
7.2.50.0090.01015.08
7.2.40.0090.00615.23
7.2.30.0160.01014.96
7.2.20.0070.01015.04
7.2.10.0080.01215.12
7.2.00.0150.00315.21
7.1.280.0070.00713.89
7.1.270.0170.00613.70
7.1.260.0090.00414.03
7.1.250.0190.00613.98
7.1.240.0200.01013.93
7.1.230.0190.01214.21
7.1.220.0220.01414.00
7.1.210.0340.00313.66
7.1.200.0270.00713.96
7.1.190.0210.00913.81
7.1.180.0260.01013.88
7.1.170.0220.00013.75
7.1.160.0250.00713.83
7.1.150.0190.01313.86
7.1.140.0220.00913.97
7.1.130.0140.00413.73
7.1.120.0210.02213.90
7.1.110.0230.00413.82
7.1.100.0190.01113.91
7.1.90.0230.01014.02
7.1.80.0090.00913.85
7.1.70.0080.00815.43
7.1.60.0070.00915.52
7.1.50.0470.00723.49
7.1.40.0360.01123.07
7.1.30.0680.00723.16
7.1.20.0340.01823.13
7.1.10.0220.00814.21
7.1.00.0230.00914.33
7.0.330.0160.00513.48
7.0.320.0090.01213.62
7.0.310.0210.00713.75
7.0.300.0280.00913.59
7.0.290.0190.01013.75
7.0.280.0110.01513.60
7.0.270.0210.01013.53
7.0.260.0280.00913.66
7.0.250.0190.00913.40
7.0.240.0260.00013.35
7.0.230.0140.00713.57
7.0.220.1900.00013.55
7.0.210.0200.01313.26
7.0.200.0100.00415.22
7.0.190.0410.00814.15
7.0.180.0340.01214.00
7.0.170.0370.00313.81
7.0.160.0240.00813.88
7.0.150.0230.00613.80
7.0.140.0260.00713.95
7.0.130.0150.01014.12
7.0.120.0300.01013.98
7.0.110.0290.00814.00
7.0.100.0300.01013.96
7.0.90.0240.00913.97
7.0.80.0270.00513.99
7.0.70.0230.01213.91
7.0.60.0270.00813.95
7.0.50.0250.01214.10
7.0.40.0200.01514.01
7.0.30.0230.01214.09
7.0.20.0270.00613.99
7.0.10.0250.01214.00
7.0.00.0310.00914.01
5.6.400.0130.00914.32
5.6.390.0220.00314.29
5.6.380.0200.00713.93

preferences:
31.84 ms | 401 KiB | 5 Q