3v4l.org

run code in 300+ PHP versions simultaneously
<?php $object = new std_class(); if (isset($object)){ print "I found it!\n"; }else{ print "No object!\n"; }

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)
8.3.60.0080.00816.88
8.3.50.0090.00917.37
8.3.40.0100.00718.62
8.3.30.0080.00818.84
8.3.20.0130.00718.91
8.3.10.0040.00420.28
8.3.00.0060.00319.38
8.2.180.0110.00716.50
8.2.170.0110.00422.96
8.2.160.0100.00518.77
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.99
8.2.110.0030.00721.15
8.2.100.0090.00317.78
8.2.90.0030.00719.27
8.2.80.0050.00519.08
8.2.70.0070.00317.50
8.2.60.0030.00717.55
8.2.50.0050.00318.07
8.2.40.0030.00617.96
8.2.30.0000.00717.85
8.2.20.0070.00317.59
8.2.10.0040.00417.67
8.2.00.0040.00417.56
8.1.280.0100.00725.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00322.65
8.1.230.0040.00720.89
8.1.220.0040.00417.74
8.1.210.0000.00818.91
8.1.200.0080.00017.23
8.1.190.0040.00417.39
8.1.180.0090.00018.10
8.1.170.0040.00418.75
8.1.160.0000.00818.68
8.1.150.0000.00718.39
8.1.140.0000.00717.29
8.1.130.0030.00517.83
8.1.120.0060.00317.27
8.1.110.0050.00317.21
8.1.100.0070.00017.23
8.1.90.0000.00917.39
8.1.80.0040.00417.35
8.1.70.0030.00317.33
8.1.60.0000.00717.51
8.1.50.0040.00417.41
8.1.40.0000.00717.41
8.1.30.0000.00817.59
8.1.20.0040.00417.49
8.1.10.0000.00817.39
8.1.00.0040.00417.34
8.0.300.0040.00419.98
8.0.290.0040.00416.75
8.0.280.0030.00318.43
8.0.270.0030.00317.26
8.0.260.0030.00316.70
8.0.250.0040.00416.83
8.0.240.0030.00316.98
8.0.230.0030.00316.91
8.0.220.0030.00316.82
8.0.210.0000.00716.82
8.0.200.0030.00316.91
8.0.190.0040.00416.96
8.0.180.0050.00316.90
8.0.170.0000.00716.83
8.0.160.0030.00316.87
8.0.150.0050.00316.75
8.0.140.0080.00016.86
8.0.130.0050.00013.36
8.0.120.0000.00816.85
8.0.110.0000.00716.88
8.0.100.0080.00016.88
8.0.90.0030.00316.75
8.0.80.0160.00016.94
8.0.70.0000.00716.81
8.0.60.0070.00016.75
8.0.50.0050.00216.79
8.0.30.0060.01516.86
8.0.20.0110.00917.12
8.0.10.0000.00717.02
8.0.00.0120.01016.81
7.4.330.0020.00212.81
7.4.320.0060.00016.49
7.4.300.0000.00716.37
7.4.290.0070.00016.46
7.4.280.0050.00316.54
7.4.270.0070.00016.45
7.4.260.0000.00513.27
7.4.250.0080.00016.33
7.4.240.0000.00716.47
7.4.230.0040.00416.24
7.4.220.0170.00016.54
7.4.210.0030.01416.36
7.4.200.0030.00316.44
7.4.190.0030.00316.45
7.4.160.0090.00616.31
7.4.150.0100.01016.34
7.4.140.0090.00916.54
7.4.130.0170.00016.55
7.4.120.0080.00816.46
7.4.110.0090.00916.35
7.4.100.0090.00916.34
7.4.90.0060.01216.50
7.4.80.0030.01319.39
7.4.70.0080.00816.48
7.4.60.0100.00716.51
7.4.50.0030.00716.55
7.4.40.0060.00616.34
7.4.30.0090.00716.49
7.4.00.0030.01014.88
7.3.330.0060.00013.11
7.3.320.0000.00613.17
7.3.310.0000.00716.20
7.3.300.0070.00016.30
7.3.290.0070.00916.24
7.3.280.0100.00816.32
7.3.270.0100.00716.31
7.3.260.0040.01216.36
7.3.250.0130.01316.41
7.3.240.0080.00816.34
7.3.230.0070.01016.22
7.3.210.0100.00716.41
7.3.200.0120.00916.27
7.3.190.0150.00316.45
7.3.180.0030.01216.41
7.3.170.0060.00916.40
7.3.160.0060.00916.36
7.3.120.0070.00714.45
7.3.10.0070.01016.50
7.3.00.0030.00616.36
7.2.330.0070.01116.46
7.2.320.0100.01016.43
7.2.310.0030.02216.45
7.2.300.0070.01016.39
7.2.290.0070.01016.61
7.2.130.0040.00716.77
7.2.120.0100.00616.80
7.2.110.0040.00816.48
7.2.100.0000.01116.49
7.2.90.0040.01116.80
7.2.80.0070.00616.52
7.2.70.0060.00616.61
7.2.60.0050.00816.68
7.2.50.0070.01016.71
7.2.40.0060.00616.85
7.2.30.0070.00716.73
7.2.20.0100.00616.65
7.2.10.0030.00916.52
7.2.00.0040.00716.82
7.1.250.0030.01015.75
7.1.200.0030.00715.64
7.1.100.0070.00417.67
7.1.70.0030.01017.00
7.1.60.0030.02019.30
7.1.50.0070.01616.94
7.1.00.0070.03322.33
7.0.200.0110.00416.26
7.0.140.0030.07322.20
7.0.120.0070.07022.15
7.0.60.0100.03319.89
7.0.50.0030.04717.89
7.0.40.0030.06020.04
7.0.30.0170.04020.09
7.0.20.0270.07020.13
7.0.10.0130.08320.00
7.0.00.0030.04320.17
5.6.280.0000.07720.90
5.6.210.0100.06320.60
5.6.200.0100.08018.21
5.6.190.0130.07320.57
5.6.180.0230.03720.63
5.6.170.0170.05020.61
5.6.160.0130.06320.61
5.6.150.0100.03718.15
5.6.140.0100.07718.18
5.6.130.0070.08018.21
5.6.120.0070.04321.09
5.6.110.0030.07721.07
5.6.100.0170.03321.12
5.6.90.0130.06020.96
5.6.80.0130.06720.50
5.6.70.3770.04020.47
5.5.350.0070.03720.45
5.5.340.0000.08017.96
5.5.330.0130.07020.07
5.5.320.0130.06320.32
5.5.310.0500.03020.23
5.5.300.0170.07018.00
5.5.290.0100.03718.01
5.5.280.0100.05020.80
5.5.270.0130.07720.75
5.5.260.0130.07320.86
5.5.250.0000.09320.68
5.5.240.0300.08020.25
5.4.450.0200.05719.41
5.4.440.0270.05719.37
5.4.430.0200.03719.45
5.4.420.0200.08019.24
5.4.410.0200.07319.33
5.4.400.0230.04319.10
5.4.390.0270.05019.13
5.4.380.0230.06319.06
5.4.370.0230.04719.04
5.4.360.0230.03319.13
5.4.350.0270.07019.16
5.4.340.0230.04718.93
5.4.320.0230.05719.16
5.4.310.0300.07018.93
5.4.300.0230.06018.93
5.4.290.0230.03718.78
5.4.280.0300.07019.08
5.4.270.0400.06019.21
5.4.260.0200.03719.09
5.4.250.0330.05719.12
5.4.240.0200.04319.18
5.4.230.0200.07319.08
5.4.220.0130.04018.78
5.4.210.0070.04318.91
5.4.200.0230.04018.92
5.4.190.0170.03319.05
5.4.180.0130.03718.77
5.4.170.0170.03719.09
5.4.160.0070.04719.02
5.4.150.0230.03019.11
5.4.140.0200.04716.33
5.4.130.0130.03716.27
5.4.120.0200.03016.33
5.4.110.0200.03016.34
5.4.100.0170.03316.41
5.4.90.0170.03016.50
5.4.80.0170.07016.41
5.4.70.0170.03316.21
5.4.60.0200.03316.38
5.4.50.0170.04016.40
5.4.40.0170.03316.31
5.4.30.0130.03716.36
5.4.20.0130.03716.35
5.4.10.0170.03716.31
5.4.00.0130.03715.99
5.3.290.0130.05714.52
5.3.280.0100.04014.43
5.3.270.0100.04014.44
5.3.260.0170.05714.43
5.3.250.0230.06714.63
5.3.240.0170.03714.43
5.3.230.0130.03714.57
5.3.220.0170.03714.51
5.3.210.0170.03314.61
5.3.200.0170.03314.40
5.3.190.0170.04714.40
5.3.180.0170.03314.40
5.3.170.0100.04014.39
5.3.160.0100.04014.46
5.3.150.0200.03314.51
5.3.140.0100.04014.48
5.3.130.0100.04314.38
5.3.120.0100.04014.40
5.3.110.0130.04314.39
5.3.100.0200.03714.08
5.3.90.0270.02313.97
5.3.80.0170.03313.86
5.3.70.0130.03713.89
5.3.60.0130.03714.05
5.3.50.0070.06713.89
5.3.40.0100.05713.97
5.3.30.0130.04713.76
5.3.20.0270.07313.78
5.3.10.0270.04313.68
5.3.00.0200.06713.48
5.2.170.0130.04312.08
5.2.160.0030.03712.08
5.2.150.0170.06312.08
5.2.140.0200.06012.08
5.2.130.0170.03012.08
5.2.120.0200.05012.08
5.2.110.0130.04712.08
5.2.100.0170.05012.08
5.2.90.0170.05012.08
5.2.80.0200.05312.08
5.2.70.0170.05012.08
5.2.60.0200.05012.08
5.2.50.0100.06012.08
5.2.40.0200.03012.08
5.2.30.0170.06012.08
5.2.20.0270.04312.08
5.2.10.0230.05012.08
5.2.00.0170.05312.08
5.1.60.0100.04312.08
5.1.50.0100.02712.08
5.1.40.0100.03012.08
5.1.30.0170.03012.08
5.1.20.0170.02712.08
5.1.10.0100.05712.08
5.1.00.0200.03012.08
5.0.50.0100.03712.08
5.0.40.0100.04012.08
5.0.30.0100.06312.08
5.0.20.0100.04012.08
5.0.10.0130.02012.08
5.0.00.0030.07012.08
4.4.90.0070.02712.08
4.4.80.0030.02312.08
4.4.70.0070.03712.08
4.4.60.0070.03012.08
4.4.50.0170.02712.08
4.4.40.0070.02712.08
4.4.30.0070.01312.08
4.4.20.0100.03312.08
4.4.10.0100.03012.08
4.4.00.0130.05012.08
4.3.110.0070.03712.08
4.3.100.0100.01712.08
4.3.90.0070.03712.08
4.3.80.0100.02712.08
4.3.70.0070.03312.08
4.3.60.0100.02712.08
4.3.50.0070.03312.08
4.3.40.0100.05012.08
4.3.30.0070.03312.08
4.3.20.0070.03712.08
4.3.10.0030.03712.08
4.3.00.0100.03312.08

preferences:
43.95 ms | 401 KiB | 5 Q