3v4l.org

run code in 300+ PHP versions simultaneously
<?php function handler() { } set_error_handler('handler'); function func() { $var = 'test'; $array = array(); $value = $array[$var]; $realVar = $var; substr($var, -1); $anotherValue = 'a'; $value['a']; } $items = new ArrayObject(array(1)); unset($items[0]); unset($items[0][0]); func();

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)
8.3.60.0080.00618.43
8.3.50.0090.00921.14
8.3.40.0070.00718.88
8.3.30.0110.00420.17
8.3.20.0080.00020.58
8.3.10.0080.00020.95
8.3.00.0100.00023.53
8.2.180.0110.00716.75
8.2.170.0140.00722.96
8.2.160.0110.00420.35
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0070.00020.89
8.2.110.0000.00819.30
8.2.100.0090.00317.97
8.2.90.0040.00419.27
8.2.80.0070.00018.04
8.2.70.0040.00417.50
8.2.60.0050.00217.93
8.2.50.0080.00318.07
8.2.40.0040.00418.28
8.2.30.0040.00419.34
8.2.20.0000.00817.60
8.2.10.0040.00417.79
8.2.00.0050.00317.63
8.1.280.0140.00725.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00423.94
8.1.230.0080.00420.92
8.1.220.0040.00418.77
8.1.210.0040.00418.97
8.1.200.0060.00316.99
8.1.190.0050.00317.53
8.1.180.0000.01018.10
8.1.170.0030.00618.52
8.1.160.0080.00018.73
8.1.150.0060.00318.64
8.1.140.0070.00017.39
8.1.130.0070.00017.88
8.1.120.0040.00417.41
8.1.110.0000.00717.44
8.1.100.0020.00517.32
8.1.90.0000.00717.36
8.1.80.0040.00417.34
8.1.70.0030.00317.35
8.1.60.0060.00317.54
8.1.50.0030.00717.39
8.1.40.0060.00617.53
8.1.30.0040.00417.54
8.1.20.0040.00417.72
8.1.10.0050.00217.54
8.1.00.0000.00717.59
8.0.300.0000.00719.89
8.0.290.0070.00017.18
8.0.280.0070.00018.38
8.0.270.0030.00317.16
8.0.260.0030.00316.82
8.0.250.0030.00517.00
8.0.240.0070.00016.83
8.0.230.0000.00716.91
8.0.220.0040.00416.79
8.0.210.0040.00416.78
8.0.200.0060.00017.00
8.0.190.0000.00716.86
8.0.180.0000.00716.80
8.0.170.0000.00816.80
8.0.160.0000.00716.73
8.0.150.0080.00016.84
8.0.140.0050.00316.91
8.0.130.0050.00013.39
8.0.120.0020.00516.74
8.0.110.0000.00816.93
8.0.100.0020.00516.93
8.0.90.0040.00416.80
8.0.80.0040.01116.88
8.0.70.0000.00716.69
8.0.60.0040.00416.88
8.0.50.0000.00716.77
8.0.30.0110.00817.13
8.0.20.0070.01417.40
8.0.10.0000.00816.96
8.0.00.0110.00916.80
7.4.330.0050.00016.67
7.4.320.0000.00616.43
7.4.300.0000.00616.46
7.4.290.0060.00016.50
7.4.280.0000.00716.59
7.4.270.0070.00016.63
7.4.260.0050.00013.26
7.4.250.0030.00616.44
7.4.240.0030.00316.51
7.4.230.0000.00716.52
7.4.220.0110.00716.63
7.4.210.0070.00716.53
7.4.200.0040.00416.67
7.4.190.0050.00316.66
7.4.160.0060.00916.52
7.4.150.0100.00717.40
7.4.140.0120.00517.86
7.4.130.0150.00516.47
7.4.120.0110.00916.46
7.4.110.0060.01116.45
7.4.100.0170.00016.50
7.4.90.0060.01616.59
7.4.80.0030.01319.39
7.4.70.0080.00816.37
7.4.60.0060.01216.53
7.4.50.0050.00316.36
7.4.40.0070.00722.77
7.4.30.0090.00916.53
7.4.00.0110.00514.92
7.3.330.0050.00013.45
7.3.320.0000.00513.38
7.3.310.0000.00716.41
7.3.300.0030.00316.43
7.3.290.0150.00016.42
7.3.280.0080.00816.42
7.3.270.0160.00317.40
7.3.260.0110.00718.24
7.3.250.0120.00916.42
7.3.240.0120.00316.55
7.3.230.0030.01416.52
7.3.210.0100.00616.43
7.3.200.0060.01219.39
7.3.190.0100.00716.30
7.3.180.0080.01116.40
7.3.170.0060.00916.71
7.3.160.0130.00316.66
7.3.120.0080.00814.92
7.3.110.0130.00614.92
7.3.100.0060.00314.87
7.3.90.0000.01115.08
7.3.80.0000.01114.78
7.3.70.0070.00714.84
7.3.60.0030.00714.96
7.3.50.0040.00814.72
7.3.40.0030.01014.94
7.3.30.0100.00715.03
7.3.20.0030.01316.65
7.3.10.0060.00416.59
7.3.00.0050.00716.61
7.2.330.0100.00716.64
7.2.320.0070.01516.85
7.2.310.0000.02016.69
7.2.300.0110.00616.56
7.2.290.0090.00916.53
7.2.250.0040.01815.04
7.2.240.0030.01714.59
7.2.230.0040.01115.09
7.2.220.0090.00614.77
7.2.210.0030.00715.09
7.2.200.0090.00015.21
7.2.190.0030.01115.09
7.2.180.0080.00315.04
7.2.170.0060.00615.07
7.2.130.0170.00316.48
7.2.120.0100.00616.33
7.2.110.0130.00616.52
7.2.100.0080.00816.64
7.2.90.0120.00616.55
7.2.80.0060.00916.41
7.2.70.0090.00316.62
7.2.60.0050.00716.94
7.2.50.0100.00716.53
7.2.40.0030.00816.62
7.2.30.0130.00316.50
7.2.20.0100.01016.50
7.2.10.0080.00616.91
7.2.00.0060.01017.98
7.1.330.0060.00915.87
7.1.320.0030.00615.77
7.1.310.0060.00615.71
7.1.300.0060.00615.66
7.1.290.0000.00915.74
7.1.280.0090.00615.78
7.1.270.0030.00915.87
7.1.260.0030.00615.89
7.1.250.0090.01315.26
7.1.200.0000.00815.72
7.1.100.0040.00417.79
7.1.70.0000.01017.22
7.1.60.0070.01819.17
7.1.50.0200.01016.86
7.1.00.0000.07322.51
7.0.200.0000.00916.94
7.0.140.0100.07022.04
7.0.70.0000.08321.76
7.0.60.0030.05721.72
7.0.50.0000.08022.07
7.0.40.0000.05720.05
7.0.30.0070.06720.12
7.0.20.0000.07720.09
7.0.10.0170.07320.09
7.0.00.0070.04720.02
5.6.280.0000.07721.04
5.6.220.0070.08020.58
5.6.210.0100.07720.55
5.6.200.0070.08021.10
5.6.190.0030.08021.04
5.6.180.0030.05321.07
5.6.170.0030.04721.07
5.6.160.0030.04721.06
5.6.150.0000.05021.02
5.6.140.0170.05320.87
5.6.130.0070.08320.91
5.6.120.0100.04720.99
5.6.110.0100.07021.00
5.6.100.0070.08021.04
5.6.90.0070.08721.02
5.6.80.0070.08020.46
5.6.70.0100.07720.47
5.6.60.0070.05320.46
5.6.50.0100.05020.56
5.6.40.0030.04720.31
5.6.30.0070.07720.47
5.6.20.0070.06320.36
5.6.10.0070.08320.39
5.6.00.0030.07720.39
5.5.360.0030.05320.35
5.5.350.0030.07020.45
5.5.340.0070.06020.64
5.5.330.0000.06320.88
5.5.320.0000.08020.84
5.5.310.0070.07720.84
5.5.300.0000.08720.87
5.5.290.0100.08020.75
5.5.280.0100.05320.89
5.5.270.0130.07320.87
5.5.260.0000.07020.82
5.5.250.0100.08020.72
5.5.240.0030.05720.29
5.5.230.0070.08020.25
5.5.220.0030.08020.10
5.5.210.0030.08019.98
5.5.200.0000.05320.16
5.5.190.0100.07020.22
5.5.180.0130.06320.19
5.5.160.0070.07320.16
5.5.150.0000.04720.16
5.5.140.0000.06720.10
5.5.130.0030.07320.21
5.5.120.0070.04020.14
5.5.110.0070.05020.24
5.5.100.0100.07719.96
5.5.90.0130.06720.08
5.5.80.0030.06320.13
5.5.70.0070.08019.90
5.5.60.0070.07320.05
5.5.50.0030.04019.93
5.5.40.0070.05719.95
5.5.30.0000.07719.98
5.5.20.0030.08020.11
5.5.10.0030.08019.96
5.5.00.0070.05020.09
5.4.450.0000.04719.50
5.4.440.0070.07719.48
5.4.430.0100.07319.19
5.4.420.0130.05719.34
5.4.410.0000.08019.04
5.4.400.0030.05019.03
5.4.390.0070.06719.15
5.4.380.0130.03319.08
5.4.370.0070.07719.16
5.4.360.0030.07319.11
5.4.350.0000.05319.05
5.4.340.0030.05319.03
5.4.320.0030.05018.85
5.4.310.0000.07319.23
5.4.300.0000.04318.87
5.4.290.0070.07018.82
5.4.280.0130.07318.88
5.4.270.0100.07019.03
5.4.260.0100.07018.79
5.4.250.0000.05018.95
5.4.240.0100.07018.96
5.4.230.0030.04718.82
5.4.220.0070.07319.02
5.4.210.0070.06718.83
5.4.200.0000.06718.88
5.4.190.0100.06718.99
5.4.180.0070.07718.99
5.4.170.0100.07318.84
5.4.160.0030.07318.95
5.4.150.0000.05319.00
5.4.140.0030.03316.38
5.4.130.0100.05316.46
5.4.120.0000.03716.45
5.4.110.0000.03716.60
5.4.100.0030.03316.58
5.4.90.0030.03316.53
5.4.80.0000.03716.40
5.4.70.0000.04016.48
5.4.60.0030.03016.37
5.4.50.0070.03016.25
5.4.40.0030.04716.50
5.4.30.0030.03316.44
5.4.20.0000.06016.48
5.4.10.0000.03716.33
5.4.00.0030.05315.85
5.3.290.0070.04714.66
5.3.280.0030.07714.52
5.3.270.0030.08014.63
5.3.260.0000.05014.59
5.3.250.0070.07014.71
5.3.240.0070.03014.57
5.3.230.0000.03714.59
5.3.220.0000.03714.56
5.3.210.0030.03714.50
5.3.200.0000.03714.60
5.3.190.0000.03714.71
5.3.180.0000.03714.50
5.3.170.0000.06014.63
5.3.160.0000.03714.59
5.3.150.0000.03714.53
5.3.140.0000.03714.62
5.3.130.0000.06314.53
5.3.120.0000.03314.57
5.3.110.0000.04714.50
5.3.100.0000.04014.05
5.3.90.0000.03714.09
5.3.80.0070.03014.14
5.3.70.0000.07013.91
5.3.60.0000.04713.93
5.3.50.0000.04014.05
5.3.40.0070.03713.98
5.3.30.0070.03013.81
5.3.20.0070.06313.75
5.3.10.0000.03713.77
5.3.00.0030.04713.69
5.2.170.0000.03012.23
5.2.160.0000.05012.23
5.2.150.0030.03012.23
5.2.140.0000.03312.23
5.2.130.0000.03712.23
5.2.120.0030.03012.23
5.2.110.0030.04012.23
5.2.100.0000.04712.23
5.2.90.0070.04712.23
5.2.80.0070.03012.23
5.2.70.0000.03312.23
5.2.60.0030.03012.23
5.2.50.0030.02712.23
5.2.40.0000.03012.23
5.2.30.0000.03312.23
5.2.20.0030.05712.23
5.2.10.0030.02712.23
5.2.00.0000.03312.23
5.1.60.0000.02312.23
5.1.50.0030.02012.23
5.1.40.0000.02712.23
5.1.30.0000.02712.23
5.1.20.0000.02712.23
5.1.10.0000.02712.23
5.1.00.0000.02712.23
5.0.50.0000.02012.23
5.0.40.0000.02012.23
5.0.30.0030.02312.23
5.0.20.0000.02012.23
5.0.10.0000.01712.23
5.0.00.0000.02712.23
4.4.90.0000.02012.23
4.4.80.0000.01312.23
4.4.70.0000.01712.23
4.4.60.0000.01712.23
4.4.50.0030.01312.23
4.4.40.0000.02312.23
4.4.30.0000.01312.23
4.4.20.0000.01712.23
4.4.10.0000.01312.23
4.4.00.0000.03012.23
4.3.110.0000.01312.23
4.3.100.0000.01312.23
4.3.90.0000.01712.23
4.3.80.0000.02012.23
4.3.70.0000.01312.23
4.3.60.0000.01312.23
4.3.50.0030.01012.23
4.3.40.0000.02312.23
4.3.30.0000.01312.23
4.3.20.0000.01312.23
4.3.10.0030.03012.23
4.3.00.0000.02012.23

preferences:
53.16 ms | 401 KiB | 5 Q