3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 10; new stdClass($a=9); // this line won't execute period! var_dump($a); // stdClass does not have a constructor; $a gets unset b/c it is nullified - how?

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)
8.3.70.0140.00016.58
8.3.60.0190.00018.43
8.3.50.0130.00621.20
8.3.40.0090.00618.72
8.3.30.0100.00320.21
8.3.20.0040.00420.20
8.3.10.0030.00622.09
8.3.00.0080.00022.29
8.2.180.0110.01116.50
8.2.170.0060.01322.96
8.2.160.0110.00322.05
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0080.00020.73
8.2.110.0090.00020.43
8.2.100.0040.00817.66
8.2.90.0000.00719.23
8.2.80.0070.00019.28
8.2.70.0040.00417.38
8.2.60.0000.00717.91
8.2.50.0040.00418.07
8.2.40.0030.00619.94
8.2.30.0050.00219.31
8.2.20.0000.00717.56
8.2.10.0070.00017.55
8.2.00.0040.00417.61
8.1.280.0090.00625.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.96
8.1.230.0000.01120.93
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0060.00317.53
8.1.180.0050.00318.88
8.1.170.0050.00318.52
8.1.160.0000.00718.78
8.1.150.0040.00418.57
8.1.140.0060.00317.43
8.1.130.0070.00017.81
8.1.120.0040.00417.30
8.1.110.0030.00317.41
8.1.100.0030.00517.38
8.1.90.0050.00517.27
8.1.80.0040.00417.29
8.1.70.0050.00317.29
8.1.60.0000.00817.57
8.1.50.0000.00817.49
8.1.40.0000.00817.41
8.1.30.0040.00417.48
8.1.20.0080.00017.55
8.1.10.0070.00017.61
8.1.00.0070.00417.57
8.0.300.0030.00418.77
8.0.290.0040.00417.05
8.0.280.0030.00318.43
8.0.270.0030.00317.19
8.0.260.0000.00616.63
8.0.250.0000.00716.75
8.0.240.0060.00616.90
8.0.230.0030.00316.76
8.0.220.0000.00716.81
8.0.210.0020.00516.74
8.0.200.0060.00316.77
8.0.190.0000.00716.89
8.0.180.0020.00516.75
8.0.170.0000.00816.86
8.0.160.0030.00316.68
8.0.150.0070.00016.75
8.0.140.0050.00316.72
8.0.130.0000.00613.20
8.0.120.0050.00216.76
8.0.110.0050.00216.64
8.0.100.0040.00416.85
8.0.90.0050.00316.78
8.0.80.0140.00316.88
8.0.70.0040.00416.86
8.0.60.0000.00716.71
8.0.50.0070.00016.71
8.0.30.0120.00917.01
8.0.20.0060.01117.40
8.0.10.0040.00417.05
8.0.00.0050.01416.53
7.4.330.0050.00014.97
7.4.320.0030.00316.42
7.4.300.0030.00316.51
7.4.290.0030.00316.46
7.4.280.0050.00216.52
7.4.270.0030.00316.50
7.4.260.0030.00313.20
7.4.250.0050.00216.51
7.4.240.0020.00516.46
7.4.230.0040.00416.62
7.4.220.0070.01316.62
7.4.210.0080.00816.46
7.4.200.0000.00816.61
7.4.190.0030.00316.69
7.4.160.0090.00616.51
7.4.150.0120.00617.40
7.4.140.0110.00817.86
7.4.130.0080.00916.54
7.4.120.0100.00716.30
7.4.110.0080.01616.30
7.4.100.0060.01316.46
7.4.90.0110.00616.38
7.4.80.0100.00619.39
7.4.70.0150.00916.32
7.4.60.0180.00016.43
7.4.50.0030.00616.43
7.4.40.0060.01122.77
7.4.30.0060.01016.30
7.4.00.0060.00914.82
7.3.330.0020.00213.11
7.3.320.0020.00212.92
7.3.310.0030.00315.97
7.3.300.0060.00016.16
7.3.290.0040.01116.08
7.3.280.0100.00716.08
7.3.270.0060.01017.40
7.3.260.0140.01016.16
7.3.250.0100.00716.21
7.3.240.0060.01216.32
7.3.230.0080.00816.41
7.3.210.0140.00316.31
7.3.200.0090.01319.39
7.3.190.0160.00016.30
7.3.180.0070.01416.06
7.3.170.0030.01216.27
7.3.160.0000.01616.11
7.3.120.0060.01014.67
7.3.110.0030.00714.63
7.3.100.0030.01414.64
7.3.90.0110.00414.36
7.3.80.0080.00814.80
7.3.70.0040.01114.44
7.3.60.0070.00714.72
7.3.50.0000.01314.58
7.3.40.0060.00314.71
7.3.30.0040.00814.43
7.3.20.0040.00416.43
7.3.10.0030.01016.50
7.3.00.0070.00416.25
7.2.330.0160.00316.31
7.2.320.0100.01316.26
7.2.310.0090.01616.51
7.2.300.0100.00616.42
7.2.290.0110.00516.20
7.2.240.0090.00614.62
7.2.230.0110.00414.62
7.2.220.0040.01415.05
7.2.210.0030.01314.82
7.2.200.0120.00414.58
7.2.190.0040.01114.86
7.2.180.0060.00614.75
7.2.170.0030.01014.81
7.2.160.0090.00614.90
7.2.150.0060.00916.73
7.2.140.0100.00316.75
7.2.130.0000.01516.64
7.2.120.0000.01516.90
7.2.110.0000.00816.50
7.2.100.0040.01116.86
7.2.90.0070.01016.86
7.2.80.0070.00316.82
7.2.70.0060.00616.78
7.2.60.0050.00916.79
7.2.50.0000.01016.76
7.2.40.0070.01016.76
7.2.30.0070.00716.80
7.2.20.0060.00316.74
7.2.10.0110.00416.84
7.2.00.0060.00717.82
7.1.330.0030.01015.83
7.1.320.0110.00415.81
7.1.310.0110.00415.42
7.1.300.0080.00415.72
7.1.290.0070.00315.39
7.1.280.0060.00615.75
7.1.270.0100.00315.74
7.1.260.0030.01015.86
7.1.250.0060.00915.66
7.1.200.0000.01115.65
7.1.100.0000.01118.01
7.1.70.0000.00717.20
7.1.60.0070.01719.21
7.1.50.0160.02034.71
7.1.00.0030.06722.31
7.0.200.0030.00716.49
7.0.140.0070.07022.18
7.0.70.0070.08021.70
7.0.60.0070.06321.77
7.0.50.0030.09022.09
7.0.40.0070.08320.07
7.0.30.0070.08020.07
7.0.20.0000.04720.16
7.0.10.0030.08320.02
7.0.00.0030.09020.03
5.6.280.0070.07021.04
5.6.220.0000.08720.51
5.6.210.0070.05320.65
5.6.200.0000.08021.07
5.6.190.0200.07021.00
5.6.180.0030.08320.93
5.6.170.0070.08721.05
5.6.160.0070.07721.08
5.6.150.0030.08321.00
5.6.140.0000.06721.16
5.6.130.0030.05021.13
5.6.120.0030.07721.05
5.6.110.0070.04721.05
5.6.100.0070.05321.00
5.6.90.0000.09020.91
5.6.80.0030.08020.39
5.6.70.0000.08720.54
5.6.60.0000.07720.29
5.6.50.0070.07320.51
5.6.40.0130.07020.39
5.6.30.0100.04320.50
5.6.20.0070.05320.42
5.6.10.0030.08320.48
5.6.00.0070.08020.33
5.5.360.0070.07320.48
5.5.350.0070.06320.34
5.5.340.0030.08320.82
5.5.330.0030.08720.82
5.5.320.0070.08020.86
5.5.310.0000.05720.76
5.5.300.0070.07720.76
5.5.290.0030.05020.88
5.5.280.0030.08320.82
5.5.270.0100.03720.78
5.5.260.0030.09020.87
5.5.250.0130.06320.69
5.5.240.0070.07320.25
5.5.230.0070.07020.20
5.5.220.0070.07720.20
5.5.210.0170.06720.24
5.5.200.0030.08320.18
5.5.190.0000.08020.24
5.5.180.0000.08720.14
5.5.160.0070.07720.09
5.5.150.0070.07020.17
5.5.140.0070.07720.26
5.5.130.0170.07020.23
5.5.120.0030.06320.25
5.5.110.0030.05020.06
5.5.100.0030.08019.97
5.5.90.0070.05720.09
5.5.80.0000.08020.06
5.5.70.0000.06019.92
5.5.60.0030.07320.13
5.5.50.0030.07020.13
5.5.40.0100.06019.95
5.5.30.0070.08320.13
5.5.20.0030.08320.14
5.5.10.0030.06319.96
5.5.00.0100.07020.02
5.4.450.0070.07319.36
5.4.440.0000.09019.36
5.4.430.0030.05019.41
5.4.420.0000.08319.46
5.4.410.0030.08319.17
5.4.400.0100.06019.05
5.4.390.0000.04719.05
5.4.380.0000.08319.14
5.4.370.0070.07319.03
5.4.360.0030.08019.04
5.4.350.0070.06019.12
5.4.340.0100.07019.05
5.4.320.0100.07719.06
5.4.310.0070.08019.23
5.4.300.0100.07018.97
5.4.290.0030.07018.78
5.4.280.0070.07319.02
5.4.270.0100.05018.96
5.4.260.0100.07019.03
5.4.250.0100.07319.14
5.4.240.0030.07718.78
5.4.230.0100.06018.89
5.4.220.0100.07719.22
5.4.210.0000.08019.02
5.4.200.0100.06318.75
5.4.190.0030.07319.22
5.4.180.0030.06018.77
5.4.170.0030.06018.77
5.4.160.0030.06018.89
5.4.150.0070.07318.92
5.4.140.0000.07316.06
5.4.130.0030.07316.27
5.4.120.0030.07316.27
5.4.110.0030.07316.31
5.4.100.0030.07316.36
5.4.90.0100.05016.31
5.4.80.0070.06016.26
5.4.70.0070.07316.20
5.4.60.0030.07316.39
5.4.50.0030.06716.28
5.4.40.0130.05716.23
5.4.30.0070.06016.41
5.4.20.0100.07016.41
5.4.10.0100.04016.18
5.4.00.0030.07315.51
5.3.290.0030.07314.63
5.3.280.0000.08014.57
5.3.270.0000.08014.57
5.3.260.0030.07314.55
5.3.250.0030.07714.42
5.3.240.0070.07014.46
5.3.230.0070.07714.54
5.3.220.0000.06714.42
5.3.210.0000.08014.55
5.3.200.0070.07314.39
5.3.190.0000.07714.57
5.3.180.0030.07014.52
5.3.170.0000.05014.42
5.3.160.0000.06314.47
5.3.150.0070.07714.57
5.3.140.0000.07014.49
5.3.130.0000.08714.55
5.3.120.0000.07014.49
5.3.110.0030.07314.41
5.3.100.0000.05313.87
5.3.90.0030.07313.99
5.3.80.0070.07013.88
5.3.70.0100.06713.77
5.3.60.0030.07313.86
5.3.50.0000.05713.80
5.3.40.0000.07313.91
5.3.30.0070.06713.88
5.3.20.0000.07713.54
5.3.10.0030.07013.61
5.3.00.0070.05013.54
5.2.170.0000.06712.27
5.2.160.0030.06012.27
5.2.150.0000.04712.27
5.2.140.0000.04012.27
5.2.130.0070.05012.27
5.2.120.0030.06312.27
5.2.110.0070.06012.27
5.2.100.0000.06312.27
5.2.90.0030.06312.27
5.2.80.0030.04312.27
5.2.70.0000.05712.27
5.2.60.0000.05312.27
5.2.50.0000.06012.27
5.2.40.0030.05312.27
5.2.30.0030.06012.27
5.2.20.0000.06312.27
5.2.10.0070.05312.27
5.2.00.0030.06312.27
5.1.60.0030.05312.27
5.1.50.0030.05312.27
5.1.40.0030.05312.27
5.1.30.0030.05712.27
5.1.20.0070.05712.27
5.1.10.0000.05712.27
5.1.00.0000.05012.27
5.0.50.0000.05012.27
5.0.40.0030.03712.27
5.0.30.0000.07012.27
5.0.20.0030.04012.27
5.0.10.0000.03712.27
5.0.00.0000.06312.27
4.4.90.0030.03712.27
4.4.80.0000.03712.27
4.4.70.0000.03012.27
4.4.60.0000.03712.27
4.4.50.0030.03012.27
4.4.40.0000.04312.27
4.4.30.0000.03012.27
4.4.20.0070.03312.27
4.4.10.0070.03012.27
4.4.00.0030.05012.27
4.3.110.0030.03712.27
4.3.100.0070.02012.27
4.3.90.0000.03712.27
4.3.80.0000.04312.27
4.3.70.0030.03012.27
4.3.60.0070.02312.27
4.3.50.0000.02012.27
4.3.40.0000.04012.27
4.3.30.0000.01712.27
4.3.20.0070.03012.27
4.3.10.0000.01712.27
4.3.00.0000.02012.27

preferences:
64.62 ms | 401 KiB | 5 Q