3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1=>"a",2=>"b",3=>"c",4=>"d"); foreach($a as $key=>$value) { $a[$key]=$value.toString(2); } print_r($a);

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)
8.3.60.0160.00616.88
8.3.50.0170.00016.27
8.3.40.0140.00718.73
8.3.30.0060.00918.56
8.3.20.0080.00020.27
8.3.10.0080.00021.92
8.3.00.0090.00019.60
8.2.180.0040.01116.63
8.2.170.0180.00422.96
8.2.160.0000.01320.43
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00817.47
8.2.110.0140.00421.13
8.2.100.0000.01217.75
8.2.90.0040.00419.22
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0120.00019.26
8.2.30.0000.00720.67
8.2.20.0000.00717.61
8.2.10.0040.00417.99
8.2.00.0000.00718.01
8.1.280.0030.01425.92
8.1.270.0070.01122.07
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00622.20
8.1.230.0060.00617.64
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.13
8.1.190.0000.00817.22
8.1.180.0080.00018.10
8.1.170.0040.00418.58
8.1.160.0040.00421.91
8.1.150.0000.00718.80
8.1.140.0030.00517.36
8.1.130.0000.00717.76
8.1.120.0050.00217.52
8.1.110.0040.00417.34
8.1.100.0000.00817.52
8.1.90.0030.00317.33
8.1.80.0030.00617.50
8.1.70.0000.00717.43
8.1.60.0040.00417.62
8.1.50.0080.00017.49
8.1.40.0000.01017.45
8.1.30.0040.00417.70
8.1.20.0080.00017.65
8.1.10.0080.00017.58
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0080.00018.43
8.0.270.0030.00317.25
8.0.260.0000.00817.10
8.0.250.0070.00017.05
8.0.240.0070.00016.97
8.0.230.0000.00717.00
8.0.220.0030.00316.82
8.0.210.0030.00316.93
8.0.200.0070.00016.88
8.0.190.0030.00717.03
8.0.180.0040.00416.88
8.0.170.0030.00516.96
8.0.160.0040.00417.00
8.0.150.0050.00216.96
8.0.140.0000.00816.88
8.0.130.0000.00613.38
8.0.120.0050.00216.83
8.0.110.0000.00816.79
8.0.100.0040.00416.90
8.0.90.0030.00316.85
8.0.80.0150.00016.94
8.0.70.0040.00416.95
8.0.60.0040.00416.84
8.0.50.0040.00416.95
8.0.30.0050.00917.01
8.0.20.0100.01117.40
8.0.10.0030.00516.98
8.0.00.0110.00816.81
7.4.330.0030.00315.08
7.4.320.0030.00316.49
7.4.300.0030.00316.51
7.4.290.0030.00316.49
7.4.280.0110.00016.40
7.4.270.0000.00716.61
7.4.260.0060.00316.50
7.4.250.0050.00216.58
7.4.240.0070.00016.68
7.4.230.0030.00316.34
7.4.220.0130.00716.52
7.4.210.0060.01316.68
7.4.200.0030.00316.60
7.4.160.0130.00416.52
7.4.150.0120.00617.40
7.4.140.0100.01017.86
7.4.130.0100.00816.37
7.4.120.0090.01216.58
7.4.110.0100.01316.56
7.4.100.0230.00016.57
7.4.90.0140.00916.79
7.4.80.0100.01319.39
7.4.70.0140.00316.65
7.4.60.0100.01016.52
7.4.50.0030.00616.57
7.4.40.0060.01216.38
7.4.30.0180.00616.52
7.4.00.0050.01015.02
7.3.330.0050.00013.07
7.3.320.0030.00313.25
7.3.310.0070.00016.32
7.3.300.0030.00316.27
7.3.290.0070.00916.32
7.3.280.0100.00716.31
7.3.270.0070.01017.40
7.3.260.0030.01416.54
7.3.250.0090.01116.41
7.3.240.0090.00916.33
7.3.230.0030.01316.39
7.3.210.0130.00316.52
7.3.200.0130.00616.33
7.3.190.0090.00916.62
7.3.180.0130.00716.34
7.3.170.0180.00016.29
7.3.160.0100.00716.33
7.3.120.0100.00714.75
7.3.110.0090.00914.50
7.3.100.0080.00414.91
7.3.90.0060.00614.48
7.3.80.0120.00014.64
7.3.70.0030.01114.71
7.3.60.0000.01614.65
7.3.50.0030.01014.86
7.3.40.0030.01314.91
7.3.30.0060.00614.77
7.3.20.0030.01316.71
7.3.10.0040.00416.67
7.3.00.0000.01216.58
7.2.330.0030.01416.52
7.2.320.0090.00916.68
7.2.310.0040.01216.64
7.2.300.0030.01216.34
7.2.290.0120.00616.80
7.2.250.0030.01414.82
7.2.240.0100.01015.10
7.2.230.0100.00714.88
7.2.220.0000.01514.86
7.2.210.0100.00314.94
7.2.200.0070.00714.77
7.2.190.0080.00814.70
7.2.180.0070.00715.00
7.2.170.0000.01614.99
7.2.80.0040.00716.42
7.2.60.0030.01216.57
7.2.00.0030.00919.44
7.1.330.0070.00715.89
7.1.320.0060.00815.76
7.1.310.0060.00615.67
7.1.300.0130.00015.46
7.1.290.0060.00315.66
7.1.280.0090.00315.45
7.1.270.0000.01015.38
7.1.260.0070.00715.80
7.1.200.0060.00615.78
7.1.100.0030.00617.98
7.1.70.0030.00917.16
7.1.60.0070.01019.20
7.1.50.0130.00016.54
7.1.00.0070.07322.40
7.0.200.0070.00316.85
7.0.60.0000.08720.00
7.0.50.0100.08017.86
7.0.40.0070.08720.27
7.0.30.0200.04720.36
7.0.20.0300.08020.20
7.0.10.0100.03720.09
7.0.00.0100.08020.08
5.6.280.0070.06320.86
5.6.210.0030.06720.60
5.6.200.0100.08018.20
5.6.190.0030.04720.56
5.6.180.0470.08020.61
5.6.170.0230.08320.52
5.6.160.0000.04320.51
5.6.150.0130.06018.08
5.6.140.0100.07718.11
5.6.130.0070.03718.17
5.6.120.0000.04321.09
5.6.110.0030.04321.11
5.6.100.0030.06320.97
5.6.90.0030.04720.96
5.6.80.0000.04320.38
5.5.350.0070.07720.41
5.5.340.0000.04317.93
5.5.330.0070.08020.25
5.5.320.2900.04020.17
5.5.310.0300.07020.30
5.5.300.0000.04318.00
5.5.290.0070.03717.87
5.5.280.0100.08320.76
5.5.270.0030.04720.77
5.5.260.0170.07720.79
5.5.250.0070.05720.55
5.5.240.0030.06720.18
5.4.450.0600.06019.52
5.4.440.0670.07719.24
5.4.430.0930.09019.09
5.4.420.0830.07019.32
5.4.410.0870.05019.32
5.4.400.0970.05019.26
5.4.390.0900.07319.09
5.4.380.0800.08019.14
5.4.370.0930.07018.99
5.4.360.0770.07019.28
5.4.350.0570.05719.15
5.4.340.0670.06319.14
5.4.320.0770.08018.77
5.4.310.0400.06719.22
5.4.300.0500.05718.96
5.4.290.0600.07018.82
5.4.280.0800.05318.78
5.4.270.0830.07319.15
5.4.260.0870.11019.19
5.4.250.0770.05019.30
5.4.240.0670.04319.28
5.4.230.0630.06319.12
5.4.220.0170.05319.28
5.4.210.0300.05019.08
5.4.200.0630.05719.19
5.4.190.0930.05318.80
5.4.180.0770.06319.29
5.4.170.0600.08018.91
5.4.160.0700.07718.89
5.4.150.0800.06019.12
5.4.140.0830.06016.20
5.4.130.0730.04316.32
5.4.120.0670.06016.40
5.4.110.0730.05316.38
5.4.100.0770.06316.18
5.4.90.0770.06716.37
5.4.80.0770.07016.50
5.4.70.0130.04016.20
5.4.60.0370.03016.45
5.4.50.0000.05016.05
5.4.40.0130.03316.43
5.4.30.0370.06016.23
5.4.20.0300.05316.20

preferences:
47.82 ms | 400 KiB | 5 Q