3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'Bob'; // gán giá trị 'Bob' cho $foo $bar = &$foo; // Tham chiếu $foo qua $bar. $bar = "My name is $bar"; // thay đổi $bar... echo $bar; echo $foo; // $foo cũng bị thay đổi.

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)
8.3.40.0090.00618.67
8.3.30.0150.00020.01
8.3.20.0040.00420.22
8.3.10.0040.00422.10
8.3.00.0080.00022.58
8.2.170.0110.00422.96
8.2.160.0080.01222.01
8.2.150.0090.00024.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0000.00821.04
8.2.110.0070.01119.28
8.2.100.0110.00017.72
8.2.90.0070.00019.08
8.2.80.0070.00018.04
8.2.70.0000.00817.50
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0040.00418.03
8.2.30.0050.00319.48
8.2.20.0000.00717.64
8.2.10.0000.00817.73
8.2.00.0110.00017.63
8.1.270.0050.00223.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0160.00023.97
8.1.230.0080.00320.90
8.1.220.0000.00818.77
8.1.210.0000.00820.77
8.1.200.0040.00417.00
8.1.190.0000.00717.53
8.1.180.0030.00518.10
8.1.170.0050.00318.50
8.1.160.0000.00718.77
8.1.150.0000.00718.50
8.1.140.0040.00417.48
8.1.130.0000.00717.68
8.1.120.0000.00717.34
8.1.110.0040.00417.37
8.1.100.0000.00717.31
8.1.90.0040.00417.25
8.1.80.0000.00717.28
8.1.70.0000.00717.32
8.1.60.0000.00917.50
8.1.50.0000.01117.43
8.1.40.0050.00317.35
8.1.30.0080.00017.64
8.1.20.0000.00817.59
8.1.10.0000.00817.42
8.1.00.0030.00617.41
8.0.300.0030.00319.93
8.0.290.0000.00717.18
8.0.280.0040.00418.34
8.0.270.0000.00717.16
8.0.260.0060.00016.77
8.0.250.0030.00416.83
8.0.240.0000.00716.94
8.0.230.0050.00316.87
8.0.220.0050.00316.82
8.0.210.0040.00416.91
8.0.200.0000.00616.98
8.0.190.0030.00316.84
8.0.180.0080.00016.91
8.0.170.0070.00016.81
8.0.160.0030.00516.75
8.0.150.0070.00016.81
8.0.140.0000.01016.73
8.0.130.0000.00613.26
8.0.120.0000.00716.81
8.0.110.0040.00316.70
8.0.100.0070.00016.93
8.0.90.0040.00416.75
8.0.80.0060.01016.92
8.0.70.0050.00216.82
8.0.60.0050.00216.70
8.0.50.0000.00716.83
8.0.30.0090.00917.09
8.0.20.0080.01017.40
8.0.10.0050.00216.81
8.0.00.0060.01316.86
7.4.330.0000.00414.98
7.4.320.0030.00316.56
7.4.300.0030.00316.41
7.4.290.0030.00316.44
7.4.280.0070.00016.45
7.4.270.0000.00716.48
7.4.260.0000.00513.26
7.4.250.0000.00716.39
7.4.240.0040.00316.48
7.4.230.0000.00716.17
7.4.220.0060.01916.35
7.4.210.0070.00816.45
7.4.200.0070.00016.41
7.4.190.0000.00916.47
7.4.160.0120.00616.65
7.4.150.0030.01317.40
7.4.140.0080.00817.86
7.4.130.0100.00716.39
7.4.120.0120.00416.41
7.4.110.0100.01016.63
7.4.100.0090.01216.50
7.4.90.0000.01616.43
7.4.80.0110.00719.39
7.4.70.0100.00616.64
7.4.60.0140.00316.39
7.4.50.0030.00616.28
7.4.40.0080.00422.77
7.4.30.0080.01216.43
7.4.00.0080.00614.81
7.3.330.0030.00313.00
7.3.320.0060.00013.16
7.3.310.0040.00416.18
7.3.300.0030.00316.14
7.3.290.0150.00616.20
7.3.280.0090.00716.24
7.3.270.0030.01317.40
7.3.260.0100.00716.61
7.3.250.0080.00816.33
7.3.240.0100.01016.39
7.3.230.0140.00716.39
7.3.210.0080.00816.41
7.3.200.0080.01119.39
7.3.190.0160.00616.36
7.3.180.0070.01116.18
7.3.170.0060.00916.27
7.3.160.0130.00316.42
7.3.120.0070.01014.92
7.3.10.0090.00816.30
7.3.00.0150.00016.03
7.2.330.0100.01016.38
7.2.320.0070.01016.40
7.2.310.0040.01816.50
7.2.300.0000.01716.54
7.2.290.0030.01316.37
7.2.130.0000.01116.52
7.2.120.0080.00816.34
7.2.110.0070.00716.39
7.2.100.0080.00816.50
7.2.90.0090.00616.47
7.2.80.0040.00416.27
7.2.70.0030.01016.31
7.2.60.0030.01016.26
7.2.50.0100.00016.42
7.2.40.0120.00316.12
7.2.30.0040.00416.34
7.2.20.0110.00016.31
7.2.10.0060.00616.62
7.2.00.0040.01117.99
7.1.250.0080.00515.34
7.1.200.0060.00615.79
7.1.100.0130.00317.89
7.1.70.0000.00917.05
7.1.60.0170.00719.21
7.1.50.0230.01334.70
7.1.00.0030.07022.28
7.0.200.0030.00516.73
7.0.140.0070.06721.95
7.0.90.0570.05719.93
7.0.80.0570.07720.14
7.0.70.0430.08319.87
7.0.60.0470.06020.06
7.0.50.0570.08320.25
7.0.40.0100.05320.16
7.0.30.0000.05720.03
7.0.20.0030.04719.95
7.0.10.0130.08020.11
7.0.00.0000.05320.04
5.6.280.0000.07721.03
5.6.230.0030.07020.62
5.6.220.0130.07020.48
5.6.210.0170.06720.62
5.6.200.0070.05020.93
5.6.190.0130.08721.04
5.6.180.0000.06021.13
5.6.170.0100.05721.03
5.6.160.0000.05321.07
5.6.150.0070.04720.93
5.6.140.0000.05021.04
5.6.130.0200.06721.09
5.6.120.0070.08020.95
5.6.110.0100.08021.03
5.6.100.0100.06021.09
5.6.90.0070.08320.98
5.6.80.0070.04720.51
5.6.70.0070.05020.32
5.6.60.0130.07320.46
5.6.50.0100.07720.29
5.6.40.0070.07320.40
5.6.30.0100.05020.38
5.6.20.0100.07720.41
5.6.10.0030.05720.36
5.6.00.0030.05020.43
5.5.370.0070.04020.41
5.5.360.0030.08020.37
5.5.350.0100.08020.39
5.5.340.0070.08320.73
5.5.330.0170.07720.75
5.5.320.0100.08020.72
5.5.310.0100.04320.75
5.5.300.0070.04320.92
5.5.290.0030.04720.78
5.5.280.0100.07020.86
5.5.270.0130.05720.86
5.5.260.0130.06320.83
5.5.250.0100.08320.70
5.5.240.0030.06020.00
5.5.230.0070.07320.19
5.5.220.0070.04720.26
5.5.210.0130.04320.16
5.5.200.0100.07320.28
5.5.190.0100.07320.13
5.5.180.0100.08320.26
5.5.160.0030.05020.25
5.5.150.0100.04320.20
5.5.140.0070.03720.26
5.5.130.0130.06720.25
5.5.120.0100.07720.14
5.5.110.0130.04320.11
5.5.100.0200.05020.10
5.5.90.0070.04320.16
5.5.80.0070.05320.16
5.5.70.0170.03720.08
5.5.60.0070.04320.09
5.5.50.0130.04019.93
5.5.40.0100.06319.92
5.5.30.0130.07319.98
5.5.20.0070.04720.13
5.5.10.0070.07320.09
5.5.00.0030.08320.05
5.4.450.0070.08019.36
5.4.440.0070.04719.36
5.4.430.0200.03319.37
5.4.420.0030.08319.45
5.4.410.0200.06719.22
5.4.400.0070.07019.05
5.4.390.0100.07319.10
5.4.380.0070.05018.90
5.4.370.0130.07019.05
5.4.360.0000.05319.12
5.4.350.0100.08019.10
5.4.340.0070.07718.95
5.4.320.0070.03718.98
5.4.310.0130.05719.11
5.4.300.0170.06719.07
5.4.290.0100.07019.09
5.4.280.0300.03319.22
5.4.270.0070.05719.02
5.4.260.0100.07019.07
5.4.250.0070.07718.94
5.4.240.0130.04718.82
5.4.230.0030.08019.07
5.4.220.0030.05319.04
5.4.210.0070.05019.11
5.4.200.0130.06719.04
5.4.190.0130.06018.95
5.4.180.0100.07319.11
5.4.170.0130.07018.89
5.4.160.0100.07719.02
5.4.150.0030.08019.12
5.4.140.0070.07716.38
5.4.130.0130.06716.38
5.4.120.0070.07016.36
5.4.110.0070.08016.38
5.4.100.0000.05316.26
5.4.90.0000.07716.36
5.4.80.0100.07016.20
5.4.70.0000.04716.20
5.4.60.0070.04716.36
5.4.50.0030.04016.21
5.4.40.0130.07316.23
5.4.30.0000.04716.27
5.4.20.0030.07316.35
5.4.10.0070.04316.19
5.4.00.0070.04015.71
5.3.290.0030.04014.51
5.3.280.0100.05314.58
5.3.270.0030.07714.61
5.3.260.0030.07714.42
5.3.250.0070.06714.43
5.3.240.0100.07014.58
5.3.230.0170.07014.60
5.3.220.0030.05314.51
5.3.210.0100.05314.50
5.3.200.0030.07714.41
5.3.190.0070.07314.55
5.3.180.0100.07014.52
5.3.170.0030.07314.38
5.3.160.0100.04014.39
5.3.150.0070.04714.57
5.3.140.0130.04314.55
5.3.130.0030.04714.38
5.3.120.0100.05314.54
5.3.110.0030.04714.54
5.3.100.0100.05013.97
5.3.90.0100.07013.87
5.3.80.0100.03713.99
5.3.70.0070.05313.92
5.3.60.0100.07014.01
5.3.50.0100.06313.92
5.3.40.0130.07013.94
5.3.30.0070.05313.91
5.3.20.0170.05313.80
5.3.10.0100.07313.80
5.3.00.0100.06713.80
5.2.170.0070.06313.80
5.2.160.0070.05013.80
5.2.150.0070.05313.80
5.2.140.0030.04313.80
5.2.130.0000.04013.80
5.2.120.0030.05013.80
5.2.110.0100.04013.80
5.2.100.0000.06313.80
5.2.90.0000.03713.80
5.2.80.0030.03013.80
5.2.70.0030.04313.80
5.2.60.0070.04013.80
5.2.50.0100.06713.80
5.2.40.0000.05713.80
5.2.30.0070.03313.80
5.2.20.0070.05713.80
5.2.10.0070.05013.80
5.2.00.0000.04313.80
5.1.60.0030.05013.80
5.1.50.0030.02713.80
5.1.40.0000.05713.80
5.1.30.0070.05713.80
5.1.20.0030.05713.80
5.1.10.0070.05313.80
5.1.00.0100.04313.80
5.0.50.0000.03713.80
5.0.40.0070.02713.80
5.0.30.0000.04013.80
5.0.20.0000.03313.80
5.0.10.0030.03013.80
5.0.00.0030.06313.80
4.4.90.0070.03313.80
4.4.80.0000.04713.80
4.4.70.0070.02713.80
4.4.60.0000.02013.80
4.4.50.0030.01713.80
4.4.40.0000.03013.80
4.4.30.0030.03313.80
4.4.20.0070.03013.80
4.4.10.0000.02313.80
4.4.00.0000.05713.80
4.3.110.0000.01713.80
4.3.100.0000.02013.80
4.3.90.0100.02713.80
4.3.80.0070.05013.80
4.3.70.0000.03013.80
4.3.60.0030.03713.80
4.3.50.0030.04013.80
4.3.40.0030.03313.80
4.3.30.0000.02013.80
4.3.20.0030.01713.80
4.3.10.0000.03713.80
4.3.00.0000.03313.80

preferences:
41.39 ms | 400 KiB | 5 Q