3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &pre_inc(&$a) { return ++$a; } $a = 5; $b = &$a; $c = &pre_inc($a); $d = $b++; // echo $c.$d; $a = 5; $b = &$a; echo 'result'.++$a.$b++;

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)
8.3.60.0100.01018.43
8.3.50.0130.00722.05
8.3.40.0100.01018.76
8.3.30.0110.00418.67
8.3.20.0060.00318.60
8.3.10.0080.00021.09
8.3.00.0070.00023.66
8.2.180.0000.01416.38
8.2.170.0040.01122.96
8.2.160.0040.01420.22
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00321.10
8.2.110.0060.00320.35
8.2.100.0040.00817.91
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0030.00617.80
8.2.50.0050.00318.07
8.2.40.0000.00718.22
8.2.30.0080.00019.81
8.2.20.0060.00317.77
8.2.10.0000.00917.80
8.2.00.0040.00417.66
8.1.280.0110.00725.92
8.1.270.0070.00023.99
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0100.00022.54
8.1.230.0040.00820.82
8.1.220.0040.00418.77
8.1.210.0040.00418.89
8.1.200.0030.00617.38
8.1.190.0050.00317.41
8.1.180.0080.00018.10
8.1.170.0040.00418.69
8.1.160.0040.00418.80
8.1.150.0070.00018.50
8.1.140.0050.00217.39
8.1.130.0000.00817.81
8.1.120.0000.00717.46
8.1.110.0040.00417.37
8.1.100.0040.00417.43
8.1.90.0000.00717.32
8.1.80.0020.00517.34
8.1.70.0040.00417.42
8.1.60.0040.00417.56
8.1.50.0040.00417.37
8.1.40.0040.00417.50
8.1.30.0000.00817.57
8.1.20.0040.00417.46
8.1.10.0000.00717.54
8.1.00.0040.00417.46
8.0.300.0000.00820.03
8.0.290.0070.00017.04
8.0.280.0030.00618.39
8.0.270.0030.00617.25
8.0.260.0050.00316.75
8.0.250.0040.00417.04
8.0.240.0080.00016.88
8.0.230.0030.00317.00
8.0.220.0040.00416.91
8.0.210.0080.00016.98
8.0.200.0000.00616.91
8.0.190.0030.00416.98
8.0.180.0040.00416.93
8.0.170.0050.00316.99
8.0.160.0040.00416.90
8.0.150.0000.00816.88
8.0.140.0040.00816.83
8.0.130.0030.00313.44
8.0.120.0060.00316.91
8.0.110.0040.00416.91
8.0.100.0000.00716.81
8.0.90.0040.00416.83
8.0.80.0060.01216.95
8.0.70.0040.00416.85
8.0.60.0000.00816.98
8.0.50.0040.00416.93
8.0.30.0100.00817.01
8.0.20.0120.00617.40
8.0.10.0040.00417.05
8.0.00.0130.00516.74
7.4.330.0020.00214.77
7.4.320.0000.00616.59
7.4.300.0060.00016.55
7.4.290.0070.00016.49
7.4.280.0000.00716.54
7.4.270.0030.00316.40
7.4.260.0030.00213.31
7.4.250.0040.00416.44
7.4.240.0030.00316.52
7.4.230.0000.00716.40
7.4.220.0100.01016.46
7.4.210.0070.00816.54
7.4.200.0030.00316.47
7.4.190.0070.00016.44
7.4.160.0120.00416.36
7.4.150.0140.00417.40
7.4.140.0060.01117.86
7.4.130.0050.01416.43
7.4.120.0110.00716.42
7.4.110.0120.00416.39
7.4.100.0110.01116.51
7.4.90.0120.00616.75
7.4.80.0120.00619.37
7.4.70.0070.01116.57
7.4.60.0060.01016.44
7.4.50.0000.00516.49
7.4.40.0060.00622.52
7.4.30.0160.00016.53
7.4.00.0040.00915.10
7.3.330.0000.00613.05
7.3.320.0030.00313.24
7.3.310.0000.00716.39
7.3.300.0030.00316.23
7.3.290.0120.00316.31
7.3.280.0110.00716.32
7.3.270.0170.00017.40
7.3.260.0130.00618.24
7.3.250.0070.01116.35
7.3.240.0040.01216.45
7.3.230.0150.00316.55
7.3.210.0160.00716.37
7.3.200.0060.01319.39
7.3.190.0090.00616.38
7.3.180.0100.01016.30
7.3.170.0080.00816.34
7.3.160.0090.00916.31
7.3.120.0100.00914.84
7.3.110.0060.01314.74
7.3.100.0080.00814.70
7.3.90.0070.01014.96
7.3.80.0040.01115.11
7.3.70.0060.01014.92
7.3.60.0070.00714.61
7.3.50.0030.00614.76
7.3.40.0070.01014.83
7.3.30.0100.00714.50
7.3.20.0090.00316.63
7.3.10.0030.00816.65
7.3.00.0000.01416.70
7.2.330.0060.01316.68
7.2.320.0110.01416.29
7.2.310.0100.00716.71
7.2.300.0130.00316.73
7.2.290.0170.00616.63
7.2.250.0060.01215.21
7.2.240.0030.01314.66
7.2.230.0090.00614.83
7.2.220.0070.00814.84
7.2.210.0060.00614.90
7.2.200.0110.01115.04
7.2.190.0080.00814.75
7.2.180.0040.01115.05
7.2.170.0140.00314.98
7.2.60.0000.01416.93
7.2.50.0200.00316.55
7.1.330.0040.00915.66
7.1.320.0100.00715.69
7.1.310.0080.00315.66
7.1.300.0060.00315.79
7.1.290.0070.00715.84
7.1.280.0120.00315.83
7.1.270.0100.00315.46
7.1.260.0000.01415.52
7.1.200.0220.00015.84
7.1.70.0070.00316.81
7.1.60.0110.01519.40
7.1.50.0100.01016.83
7.1.00.0070.04022.35
7.0.200.0030.00916.86
7.0.140.0000.07722.09
7.0.70.0070.08321.93
7.0.60.0000.08321.55
7.0.50.0030.07022.11
7.0.40.0070.06720.18
7.0.30.0100.08320.03
7.0.20.0100.08320.09
7.0.10.0030.08320.04
7.0.00.0030.04320.11
5.6.280.0030.07321.07
5.6.220.0030.08020.68
5.6.210.0070.08320.62
5.6.200.0000.06021.02
5.6.190.0030.07321.02
5.6.180.0070.07321.02
5.6.170.0000.06021.17
5.6.160.0030.06020.92
5.6.150.0130.07721.00
5.6.140.0070.08321.05
5.6.130.0000.07721.11
5.6.120.0030.07321.11
5.6.110.0070.04021.05
5.6.100.0130.08021.07
5.6.90.0070.07720.98
5.6.80.0030.04020.31
5.6.70.0070.06720.49
5.6.60.0030.03720.48
5.6.50.0030.03720.50
5.6.40.0100.03720.30
5.6.30.0030.03720.44
5.6.20.0030.04020.44
5.6.10.0000.04020.35
5.6.00.0030.05320.41
5.5.360.0070.07720.34
5.5.350.0130.07720.38
5.5.340.0030.08320.82
5.5.330.0000.08720.87
5.5.320.0070.08320.73
5.5.310.0030.05720.77
5.5.300.0070.08320.87
5.5.290.0070.06020.81
5.5.280.0130.06720.75
5.5.270.0100.08020.88
5.5.260.0100.08020.86
5.5.250.0070.07720.62
5.5.240.0030.04020.20
5.5.230.0000.04720.28
5.5.220.0030.03720.25
5.5.210.0000.04020.02
5.5.200.0030.03720.21
5.5.190.0030.03720.10
5.5.180.0070.03720.21
5.5.160.0030.03720.16
5.5.150.0070.03720.28
5.5.140.0070.03320.10
5.5.130.0030.03720.18
5.5.120.0000.04320.21
5.5.110.0030.04020.23
5.5.100.0030.04019.93
5.5.90.0000.04320.16
5.5.80.0000.04320.09
5.5.70.0000.04720.13
5.5.60.0030.04020.04
5.5.50.0030.03720.14
5.5.40.0070.03319.93
5.5.30.0070.03320.05
5.5.20.0000.04720.02
5.5.10.0030.06020.06
5.5.00.0070.03720.11
5.4.450.0030.08719.49
5.4.440.0100.07319.27
5.4.430.0000.07019.45
5.4.420.0100.07019.47
5.4.410.0100.08019.33
5.4.400.0030.04019.13
5.4.390.0000.04019.14
5.4.380.0000.07318.95
5.4.370.0000.03719.24
5.4.360.0030.03718.88
5.4.350.0000.03719.09
5.4.340.0030.03719.16
5.4.320.0030.03719.18
5.4.310.0000.04019.16
5.4.300.0070.06318.84
5.4.290.0000.04018.95
5.4.280.0000.04719.16
5.4.270.0030.04719.04
5.4.260.0070.03318.89
5.4.250.0030.06719.17
5.4.240.0030.03318.94
5.4.230.0000.04019.17
5.4.220.0000.04319.02
5.4.210.0000.03719.02
5.4.200.0070.03319.18
5.4.190.0030.03719.01
5.4.180.0030.04019.12
5.4.170.0000.04018.84
5.4.160.0070.03318.83
5.4.150.0000.03318.83
5.4.140.0030.03316.47
5.4.130.0000.03016.49
5.4.120.0030.03316.37
5.4.110.0000.03716.42
5.4.100.0070.02716.47
5.4.90.0000.04016.39
5.4.80.0030.03316.35
5.4.70.0000.04716.38
5.4.60.0030.03716.40
5.4.50.0030.03016.51
5.4.40.0000.03316.37
5.4.30.0000.04716.26
5.4.20.0030.07316.30
5.4.10.0000.07316.43
5.4.00.0030.05315.77
5.3.290.0000.04714.69
5.3.280.0000.03714.57
5.3.270.0000.04014.67
5.3.260.0000.03714.54
5.3.250.0000.03714.66
5.3.240.0000.03014.63
5.3.230.0030.03314.65
5.3.220.0000.03714.70
5.3.210.0100.02714.52
5.3.200.0000.03714.57
5.3.190.0030.03314.57
5.3.180.0030.04314.53
5.3.170.0000.05014.63
5.3.160.0070.02314.55
5.3.150.0030.03314.51
5.3.140.0000.05014.55
5.3.130.0030.05714.47
5.3.120.0070.03714.68
5.3.110.0070.07314.59
5.3.100.0000.07314.15
5.3.90.0030.07313.95
5.3.80.0000.05314.08
5.3.70.0000.04714.07
5.3.60.0030.07713.89
5.3.50.0030.07313.87
5.3.40.0030.07713.99
5.3.30.0000.07013.81
5.3.20.0070.06313.79
5.3.10.0070.04713.79
5.3.00.0070.07013.66
5.2.170.0000.06712.18
5.2.160.0030.04312.18
5.2.150.0000.04012.18
5.2.140.0070.06312.18
5.2.130.0030.05712.18
5.2.120.0000.03312.18
5.2.110.0000.04712.18
5.2.100.0000.04312.18
5.2.90.0030.06012.18
5.2.80.0100.05012.18
5.2.70.0030.06312.18
5.2.60.0030.06012.18
5.2.50.0030.06012.18
5.2.40.0030.06012.18
5.2.30.0070.06012.18
5.2.20.0030.06012.18
5.2.10.0030.06012.18
5.2.00.0070.03712.18
5.1.60.0000.05712.18
5.1.50.0030.04012.18
5.1.40.0030.05312.18
5.1.30.0030.04712.18
5.1.20.0030.06012.18
5.1.10.0070.05012.18
5.1.00.0000.06012.18
5.0.50.0030.04312.18
5.0.40.0070.04012.18
5.0.30.0000.06712.18
5.0.20.0000.02712.18
5.0.10.0030.02712.18
5.0.00.0030.05712.18
4.4.90.0000.03012.18
4.4.80.0030.03012.18
4.4.70.0030.03312.18
4.4.60.0000.03012.18
4.4.50.0070.01712.18
4.4.40.0000.05312.18
4.4.30.0000.03312.18
4.4.20.0000.03312.18
4.4.10.0030.02312.18
4.4.00.0000.04312.18
4.3.110.0070.02012.18
4.3.100.0000.02712.18
4.3.90.0000.03012.18
4.3.80.0000.05712.18
4.3.70.0000.03312.18
4.3.60.0000.03312.18
4.3.50.0000.03712.18
4.3.40.0000.05312.18
4.3.30.0000.03712.18
4.3.20.0000.03712.18
4.3.10.0000.03012.18
4.3.00.0000.02712.18

preferences:
44.72 ms | 401 KiB | 5 Q