3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o1 = new stdclass($_GLOBALS['a']=8); var_dump($_GLOBALS['a']); // Notice: Undefined variable: a var_dump($o1); $o2 = new Datetime($b='now'); var_dump($b); // string "now" var_dump($_GLOBALS['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)
8.3.70.0070.00716.88
8.3.60.0070.01018.33
8.3.50.0190.00521.15
8.3.40.0040.01118.84
8.3.30.0130.00320.38
8.3.20.0040.00420.18
8.3.10.0000.00922.03
8.3.00.0040.00422.52
8.2.180.0110.00716.88
8.2.170.0040.01122.96
8.2.160.0110.00322.12
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00420.67
8.2.110.0030.00622.07
8.2.100.0090.00317.87
8.2.90.0000.00719.30
8.2.80.0060.00319.32
8.2.70.0000.00817.88
8.2.60.0000.00818.05
8.2.50.0000.01018.07
8.2.40.0000.00818.34
8.2.30.0040.00419.51
8.2.20.0080.00017.82
8.2.10.0000.00817.87
8.2.00.0050.00317.91
8.1.280.0030.01425.92
8.1.270.0050.00223.99
8.1.260.0060.00926.35
8.1.250.0040.00428.09
8.1.240.0060.00323.86
8.1.230.0080.00319.05
8.1.220.0080.00017.80
8.1.210.0060.00318.77
8.1.200.0000.00817.48
8.1.190.0000.00817.41
8.1.180.0040.00418.10
8.1.170.0030.00618.61
8.1.160.0030.00518.87
8.1.150.0000.00718.67
8.1.140.0000.00717.57
8.1.130.0030.00317.98
8.1.120.0050.00217.46
8.1.110.0040.00417.57
8.1.100.0040.00417.53
8.1.90.0040.00417.47
8.1.80.0000.00817.47
8.1.70.0030.00317.60
8.1.60.0040.00417.61
8.1.50.0040.00417.61
8.1.40.0000.00817.55
8.1.30.0040.00417.70
8.1.20.0060.00317.59
8.1.10.0050.00317.64
8.1.00.0000.00817.61
8.0.300.0040.00418.77
8.0.290.0000.00717.16
8.0.280.0000.00718.45
8.0.270.0000.00717.26
8.0.260.0000.00716.95
8.0.250.0000.00717.04
8.0.240.0000.00817.14
8.0.230.0000.00817.01
8.0.220.0030.00316.98
8.0.210.0000.00817.10
8.0.200.0030.00317.04
8.0.190.0050.00217.05
8.0.180.0000.00717.00
8.0.170.0000.00716.95
8.0.160.0000.00817.05
8.0.150.0080.00016.95
8.0.140.0040.00417.07
8.0.130.0030.00313.44
8.0.120.0000.00817.08
8.0.110.0000.00717.11
8.0.100.0000.00716.98
8.0.90.0000.00717.04
8.0.80.0030.01317.09
8.0.70.0040.00417.08
8.0.60.0050.00217.13
8.0.50.0000.00816.91
8.0.30.0120.00617.05
8.0.20.0090.01117.40
8.0.10.0080.00017.09
8.0.00.0100.00816.97
7.4.330.0050.00015.04
7.4.320.0000.00616.56
7.4.300.0040.00416.49
7.4.290.0000.00716.59
7.4.280.0000.00716.55
7.4.270.0030.00416.56
7.4.260.0050.00013.26
7.4.250.0000.00816.48
7.4.240.0040.00316.62
7.4.230.0000.00716.75
7.4.220.0100.01616.63
7.4.210.0100.00816.69
7.4.200.0030.00316.78
7.4.190.0070.00016.62
7.4.160.0090.00616.80
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0050.01216.76
7.4.120.0080.01216.70
7.4.110.0130.01216.45
7.4.100.0150.00816.65
7.4.90.0170.00016.63
7.4.80.0110.00619.39
7.4.70.0100.01016.74
7.4.60.0100.00716.55
7.4.50.0060.00316.68
7.4.40.0070.01122.77
7.4.30.0070.01016.64
7.4.00.0090.00615.25
7.3.330.0000.00513.36
7.3.320.0050.00013.23
7.3.310.0000.00716.16
7.3.300.0030.00316.43
7.3.290.0110.00716.50
7.3.280.0080.00816.46
7.3.270.0140.00317.40
7.3.260.0090.00916.57
7.3.250.0130.00416.64
7.3.240.0130.00316.63
7.3.230.0110.00516.39
7.3.210.0070.01116.56
7.3.200.0070.01319.39
7.3.190.0130.00716.76
7.3.180.0070.01316.36
7.3.170.0060.00916.72
7.3.160.0030.01416.52
7.3.120.0080.00815.16
7.2.330.0040.01416.88
7.2.320.0090.00916.88
7.2.310.0150.00716.91
7.2.300.0060.01116.50
7.2.290.0060.01016.66
7.2.60.0060.00616.97
7.2.00.0070.01019.56
7.1.200.0060.00616.05
7.1.100.0040.00818.39
7.1.70.0050.00317.45
7.1.60.0150.00619.20
7.1.50.0250.01435.02
7.1.00.0130.05722.30
7.0.200.0090.00016.59
7.0.140.0000.07322.12
7.0.100.0200.07319.85
7.0.90.0130.07319.87
7.0.80.0170.07319.83
7.0.70.0200.07019.92
7.0.60.0100.07719.92
7.0.50.0070.08720.30
7.0.40.0130.06320.09
7.0.30.0030.08720.08
7.0.20.0130.06020.05
7.0.10.0100.07020.13
7.0.00.0170.05020.01
5.6.280.0070.07021.14
5.6.250.0100.07720.67
5.6.240.0030.08320.46
5.6.230.0030.08320.61
5.6.220.0200.06320.50
5.6.210.0130.06320.63
5.6.200.0100.06721.06
5.6.190.0100.07720.96
5.6.180.0100.07021.03
5.6.170.0070.08020.95
5.6.160.0130.04720.96
5.6.150.0130.07320.89
5.6.140.0030.08720.89
5.6.130.0070.08321.00
5.6.120.0000.07320.98
5.6.110.0070.05021.07
5.6.100.0130.07720.98
5.6.90.0070.07720.92
5.6.80.0100.08020.34
5.6.70.0070.07720.43
5.6.60.0070.08020.45
5.6.50.0130.07720.41
5.6.40.0070.06320.30
5.6.30.0100.07320.32
5.6.20.0070.07720.34
5.6.10.0070.08020.19
5.6.00.0200.04020.36
5.5.380.0130.07720.45
5.5.370.0200.06020.49
5.5.360.0070.07720.39
5.5.350.0070.08320.41
5.5.340.0130.07720.68
5.5.330.0000.08720.75
5.5.320.0000.07720.75
5.5.310.0130.07720.70
5.5.300.0100.07320.69
5.5.290.0030.08020.82
5.5.280.0070.07720.71
5.5.270.0170.07320.82
5.5.260.0100.05320.73
5.5.250.0000.09320.39
5.5.240.0030.08020.25
5.5.230.0170.07020.23
5.5.220.0030.05319.93
5.5.210.0100.07020.24
5.5.200.0130.03720.13
5.5.190.0070.07320.21
5.5.180.0070.08020.19
5.5.160.0100.04720.12
5.5.150.0070.05319.93
5.5.140.0030.07020.02
5.5.130.0130.06020.09
5.5.120.0030.08020.08
5.5.110.0070.08020.04
5.5.100.0030.08019.93
5.5.90.0030.08020.02
5.5.80.0030.05020.11
5.5.70.0070.06720.01
5.5.60.0100.04720.10
5.5.50.0030.07320.10
5.5.40.0130.07020.01
5.5.30.0070.06319.95
5.5.20.0200.06020.05
5.5.10.0130.07720.03
5.5.00.0000.09319.92
5.4.450.0130.07019.43
5.4.440.0170.06319.46
5.4.430.0100.07319.55
5.4.420.0100.05719.46
5.4.410.0130.06719.19
5.4.400.0130.06318.82
5.4.390.0100.08019.07
5.4.380.0100.06018.82
5.4.370.0030.08019.01
5.4.360.0230.06718.98
5.4.350.0030.07019.15
5.4.340.0070.07718.80
5.4.320.0130.06719.03
5.4.310.0030.06019.09
5.4.300.0030.07718.98
5.4.290.0030.08319.13
5.4.280.0000.08318.96
5.4.270.0130.07719.14
5.4.260.0170.06719.14
5.4.250.0130.07319.14
5.4.240.0100.05719.10
5.4.230.0030.08319.06
5.4.220.0070.04319.07
5.4.210.0130.07319.12
5.4.200.0130.06718.80
5.4.190.0130.03719.14
5.4.180.0070.07319.13
5.4.170.0070.06719.08
5.4.160.0130.05019.09
5.4.150.0100.07719.09
5.4.140.0100.07716.36
5.4.130.0130.06016.36
5.4.120.0070.06716.34
5.4.110.0200.05716.38
5.4.100.0030.07016.36
5.4.90.0000.08016.27
5.4.80.0030.07316.48
5.4.70.0070.07316.35
5.4.60.0070.05016.25
5.4.50.0030.07716.23
5.4.40.0070.04016.23
5.4.30.0070.06016.18
5.4.20.0030.05716.31
5.4.10.0000.05016.37
5.4.00.0000.03715.68
5.3.290.0030.05714.67
5.3.280.0030.05714.55
5.3.270.0030.08314.46
5.3.260.0100.06314.57
5.3.250.0070.05714.57
5.3.240.0030.04314.60
5.3.230.0030.08314.55
5.3.220.0030.07714.57
5.3.210.0130.05714.43
5.3.200.0030.08014.42
5.3.190.0030.08014.56
5.3.180.0070.05014.42
5.3.170.0070.06714.47
5.3.160.0030.05014.57
5.3.150.0100.07314.41
5.3.140.0030.07714.56
5.3.130.0100.07714.41
5.3.120.0030.06314.39
5.3.110.0030.03714.48
5.3.100.0000.04313.90
5.3.90.0100.03014.01
5.3.80.0070.03713.97
5.3.70.0070.04013.90
5.3.60.0030.07313.99
5.3.50.0030.05013.90
5.3.40.0030.04713.88
5.3.30.0070.03013.82
5.3.20.0070.02713.55
5.3.10.0070.04713.41
5.3.00.0000.03713.61
5.2.170.0000.03012.43
5.2.160.0030.05712.43
5.2.150.0000.03012.43
5.2.140.0030.05012.43
5.2.130.0030.03712.43
5.2.120.0070.05012.43
5.2.110.0030.05012.43
5.2.100.0070.02312.43
5.2.90.0170.04712.43
5.2.80.0070.02312.43
5.2.70.0000.03012.43
5.2.60.0000.05012.43
5.2.50.0030.04712.43
5.2.40.0070.04312.43
5.2.30.0000.03012.43
5.2.20.0030.02312.43
5.2.10.0030.03712.43
5.2.00.0030.03012.43
5.1.60.0000.02712.43
5.1.50.0070.02012.43
5.1.40.0030.02312.43
5.1.30.0000.02712.43
5.1.20.0000.05012.43
5.1.10.0000.02712.43
5.1.00.0030.02312.43
5.0.50.0000.02012.43
5.0.40.0000.02012.43
5.0.30.0000.03012.43
5.0.20.0030.01712.43
5.0.10.0000.02712.43
5.0.00.0030.02312.43
4.4.90.0000.02312.43
4.4.80.0000.01312.43
4.4.70.0030.03312.43
4.4.60.0000.01312.43
4.4.50.0030.02312.43
4.4.40.0070.01712.43
4.4.30.0030.01712.43
4.4.20.0070.01712.43
4.4.10.0000.02012.43
4.4.00.0030.02712.43
4.3.110.0000.02312.43
4.3.100.0000.02312.43
4.3.90.0000.02312.43
4.3.80.0000.02312.43
4.3.70.0000.01712.43
4.3.60.0000.01312.43
4.3.50.0030.02012.43
4.3.40.0000.02312.43
4.3.30.0000.02012.43
4.3.20.0030.01312.43
4.3.10.0000.02012.43
4.3.00.0000.01312.43

preferences:
51.04 ms | 401 KiB | 5 Q