3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keys = array( "a" => 1, "c" =>2, ); $keyToken = 1; if (is_array($keys)) { unset($keys[array_search($keyToken, $keys)]); } else { $keys = 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)
8.3.60.0070.01018.55
8.3.50.0190.00318.18
8.3.40.0090.00618.54
8.3.30.0090.00918.42
8.3.20.0080.00020.34
8.3.10.0050.00221.96
8.3.00.0050.00319.38
8.2.180.0090.01316.50
8.2.170.0140.00022.96
8.2.160.0120.00820.48
8.2.150.0050.00224.18
8.2.140.0110.00024.66
8.2.130.0050.00320.52
8.2.120.0080.00026.35
8.2.110.0130.00321.07
8.2.100.0040.00817.72
8.2.90.0060.00317.72
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0050.00321.01
8.2.30.0040.00420.61
8.2.20.0030.00717.61
8.2.10.0080.00017.88
8.2.00.0000.00818.04
8.1.280.0110.00425.92
8.1.270.0000.00723.84
8.1.260.0070.00028.09
8.1.250.0050.00328.09
8.1.240.0040.00421.12
8.1.230.0070.00320.96
8.1.220.0040.00417.74
8.1.210.0030.00518.83
8.1.200.0100.00017.23
8.1.190.0040.00417.57
8.1.180.0000.00718.10
8.1.170.0000.00818.52
8.1.160.0040.00421.89
8.1.150.0030.00618.84
8.1.140.0040.00419.38
8.1.130.0030.00317.51
8.1.120.0000.00717.30
8.1.110.0080.00017.27
8.1.100.0030.00317.39
8.1.90.0070.00017.37
8.1.80.0040.00417.27
8.1.70.0000.00717.39
8.1.60.0040.00417.56
8.1.50.0000.00817.52
8.1.40.0040.00717.46
8.1.30.0040.00417.60
8.1.20.0040.00417.47
8.1.10.0060.00317.48
8.1.00.0040.00417.36
8.0.300.0000.00819.91
8.0.290.0050.00316.75
8.0.280.0070.00018.31
8.0.270.0060.00317.23
8.0.260.0070.00017.17
8.0.250.0080.00016.90
8.0.240.0030.00316.87
8.0.230.0000.00716.85
8.0.220.0080.00016.70
8.0.210.0080.00016.68
8.0.200.0030.00316.93
8.0.190.0040.00416.94
8.0.180.0070.00016.85
8.0.170.0070.00016.77
8.0.160.0000.00716.72
8.0.150.0060.00316.72
8.0.140.0040.00416.82
8.0.130.0030.00313.20
8.0.120.0000.00816.80
8.0.110.0000.00716.80
8.0.100.0000.00716.71
8.0.90.0050.00316.81
8.0.80.0030.01216.82
8.0.70.0000.00816.67
8.0.60.0000.00716.72
8.0.50.0040.00416.81
8.0.30.0100.00816.80
8.0.20.0110.00817.40
8.0.10.0000.00716.93
8.0.00.0100.01116.81
7.4.330.0000.00616.80
7.4.320.0060.00016.61
7.4.300.0000.00716.59
7.4.290.0020.00516.63
7.4.280.0060.00316.43
7.4.270.0040.00416.60
7.4.260.0070.00016.49
7.4.250.0080.00016.47
7.4.240.0050.00216.46
7.4.230.0070.00016.48
7.4.220.0100.01116.53
7.4.210.0090.00616.57
7.4.200.0000.00716.43
7.4.160.0100.01016.59
7.4.150.0140.00417.40
7.4.140.0100.01117.86
7.4.130.0100.00916.45
7.4.120.0070.01316.50
7.4.110.0150.00316.48
7.4.100.0110.01216.34
7.4.90.0100.00716.37
7.4.80.0120.00619.39
7.4.70.0080.00816.45
7.4.60.0060.00916.44
7.4.50.0040.00716.43
7.4.40.0020.02116.43
7.4.30.0090.01216.41
7.4.00.0070.00915.04
7.3.330.0000.00613.13
7.3.320.0000.00513.18
7.3.310.0000.00716.13
7.3.300.0070.00016.20
7.3.290.0100.00716.19
7.3.280.0080.01016.20
7.3.270.0030.01417.40
7.3.260.0130.01116.50
7.3.250.0100.01016.33
7.3.240.0060.01116.31
7.3.230.0160.00716.39
7.3.210.0080.00816.15
7.3.200.0070.00716.27
7.3.190.0120.00616.27
7.3.180.0080.01116.13
7.3.170.0100.01316.27
7.3.160.0110.00816.13
7.3.120.0100.01014.52
7.3.110.0090.00914.95
7.3.100.0090.00614.92
7.3.90.0060.00315.01
7.3.80.0000.01314.72
7.3.70.0000.01514.66
7.3.60.0080.00814.70
7.3.50.0060.00614.58
7.3.40.0080.00314.70
7.3.30.0090.00614.65
7.3.20.0000.01016.39
7.3.10.0030.00816.33
7.3.00.0040.01116.73
7.2.330.0100.00716.46
7.2.320.0000.01716.63
7.2.310.0080.00816.66
7.2.300.0110.00716.26
7.2.290.0100.01016.63
7.2.250.0070.01414.85
7.2.240.0110.00315.03
7.2.230.0040.00814.81
7.2.220.0090.00015.19
7.2.210.0000.01615.11
7.2.200.0000.01514.93
7.2.190.0040.01114.84
7.2.180.0060.00914.95
7.2.170.0030.00614.75
7.2.00.0140.01119.15
7.1.330.0060.00915.97
7.1.320.0040.01115.61
7.1.310.0090.00615.73
7.1.300.0030.01315.46
7.1.290.0060.00615.73
7.1.280.0070.00415.90
7.1.270.0050.00515.42
7.1.260.0000.01515.97
7.1.100.0030.00818.05
7.1.70.0000.00716.87
7.1.60.0200.00719.36
7.1.50.0130.01016.88
7.1.00.0030.07722.48
7.0.200.0000.01016.79
7.0.60.0130.05719.87
7.0.50.0130.07717.85
7.0.40.0100.05019.90
7.0.30.0270.08020.22
7.0.20.0330.07320.30
7.0.10.0130.04320.19
7.0.00.0070.04020.00
5.6.280.0030.04321.12
5.6.210.0130.06720.45
5.6.200.0070.04018.19
5.6.190.0070.07720.57
5.6.180.0200.04320.77
5.6.170.0300.07320.55
5.6.160.0000.09320.46
5.6.150.0170.07018.23
5.6.140.0130.04318.21
5.6.130.0100.08018.10
5.6.120.0100.04321.00
5.6.110.0100.08321.01
5.6.100.0100.06320.84
5.6.90.0070.05020.97
5.6.80.0070.08020.35
5.5.350.0130.05320.38
5.5.340.0070.08018.02
5.5.330.0170.06320.21
5.5.320.0070.06320.29
5.5.310.0270.05720.41
5.5.300.0100.05017.94
5.5.290.0030.07717.87
5.5.280.0030.04320.80
5.5.270.0070.08020.94
5.5.260.0100.07320.64
5.5.250.0100.06320.77
5.5.240.0200.05720.28

preferences:
74.29 ms | 400 KiB | 5 Q