3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\PHP7; class Foo {} namespace Foo\PHP5; class Foo {} namespace Foo; var_Dump(version_compare(PHP_VERSION, '7.0.0', '>=')); var_Dump(PHP_VERSION); if (version_compare(PHP_VERSION, '7.0.0', '<')) { echo PHP_VERSION; class_alias('\Foo\PHP5\Foo', '\Foo\Foo'); } else { echo PHP_VERSION; class_alias('\Foo\PHP7\Foo', '\Foo\Foo'); } $a = new \Foo\Foo(); var_Dump(get_class($a));

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)
8.3.60.0120.00618.31
8.3.50.0110.00921.03
8.3.40.0030.01218.71
8.3.30.0160.00018.47
8.3.20.0070.00019.92
8.3.10.0070.00023.48
8.3.00.0070.00023.44
8.2.180.0100.01016.50
8.2.170.0040.01122.96
8.2.160.0100.00322.25
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0060.00617.63
8.2.110.0060.00319.27
8.2.100.0040.00717.63
8.2.90.0090.00019.05
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0060.00317.79
8.2.50.0090.00318.07
8.2.40.0000.01021.10
8.2.30.0040.00419.77
8.2.20.0040.00417.58
8.2.10.0030.00518.06
8.2.00.0100.00018.07
8.1.280.0030.01125.92
8.1.270.0000.00820.38
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00622.23
8.1.230.0040.00817.42
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0090.00017.35
8.1.180.0050.00319.30
8.1.170.0030.00518.42
8.1.160.0000.00721.96
8.1.150.0050.00318.94
8.1.140.0050.00317.37
8.1.130.0000.00717.59
8.1.120.0000.00817.50
8.1.110.0030.00517.52
8.1.100.0030.00517.49
8.1.90.0020.00517.48
8.1.80.0000.00717.49
8.1.70.0030.00317.34
8.1.60.0030.00517.61
8.1.50.0040.00417.57
8.1.40.0000.00817.35
8.1.30.0030.00517.54
8.1.20.0040.00417.50
8.1.10.0030.00517.69
8.1.00.0040.00417.50
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0000.00718.37
8.0.270.0080.00017.27
8.0.260.0060.00317.19
8.0.250.0000.00716.86
8.0.240.0000.00616.92
8.0.230.0000.00716.88
8.0.220.0000.00716.95
8.0.210.0000.00716.90
8.0.200.0000.00716.93
8.0.190.0030.00316.96
8.0.180.0070.00016.84
8.0.170.0040.00416.89
8.0.160.0040.00316.91
8.0.150.0070.00016.94
8.0.140.0000.00716.87
8.0.130.0040.00313.39
8.0.120.0030.00516.82
8.0.110.0040.00416.86
8.0.100.0050.00316.97
8.0.90.0050.00216.94
8.0.80.0030.01416.90
8.0.70.0040.00416.92
8.0.60.0000.00716.86
8.0.50.0000.00716.86
8.0.30.0130.00617.30
8.0.20.0090.01017.40
8.0.10.0050.00316.98
8.0.00.0070.01416.73
7.4.330.0000.00515.08
7.4.320.0060.00016.52
7.4.300.0000.00716.66
7.4.290.0070.00016.60
7.4.280.0030.00516.62
7.4.270.0000.00716.45
7.4.260.0030.00316.64
7.4.250.0060.00316.60
7.4.240.0010.00616.64
7.4.230.0030.00316.73
7.4.220.0070.01416.57
7.4.210.0130.00316.52
7.4.200.0040.00416.60
7.4.160.0090.00616.57
7.4.150.0110.00717.40
7.4.140.0090.01117.86
7.4.130.0120.00716.57
7.4.120.0070.01416.54
7.4.110.0060.01216.55
7.4.100.0040.01516.33
7.4.90.0100.00716.41
7.4.80.0110.00819.39
7.4.70.0180.00016.45
7.4.60.0060.00916.66
7.4.50.0030.00616.62
7.4.40.0140.00616.52
7.4.30.0070.01016.49
7.4.00.0090.00614.73
7.3.330.0000.00613.01
7.3.320.0030.00313.22
7.3.310.0000.00816.14
7.3.300.0080.00016.16
7.3.290.0040.01116.17
7.3.280.0120.00816.15
7.3.270.0110.00717.40
7.3.260.0110.00716.23
7.3.250.0100.00916.15
7.3.240.0070.01016.46
7.3.230.0140.00616.48
7.3.210.0040.01816.47
7.3.200.0100.00616.54
7.3.190.0150.00316.47
7.3.180.0030.01316.42
7.3.170.0070.01016.45
7.3.160.0150.00316.36
7.3.10.0120.00316.45
7.3.00.0030.00916.43
7.2.330.0070.01116.66
7.2.320.0130.01016.32
7.2.310.0060.01216.52
7.2.300.0130.00316.82
7.2.290.0060.01116.47
7.2.130.0040.00716.83
7.2.120.0020.01116.63
7.2.110.0050.00717.00
7.2.100.0080.00516.64
7.2.90.0060.00916.90
7.2.80.0080.00616.96
7.2.70.0060.00716.86
7.2.60.0080.00716.77
7.2.50.0070.00716.86
7.2.40.0100.00916.93
7.2.30.0080.00716.63
7.2.20.0080.01116.87
7.2.10.0130.00416.92
7.2.00.0080.00917.65
7.1.250.0020.00915.86
7.1.200.0100.00315.75
7.1.70.0000.00717.22
7.1.60.0070.01419.12
7.1.50.0030.01716.80
7.1.00.0030.07722.40
7.0.200.0250.00416.78
7.0.60.0030.07720.00
7.0.50.0030.07318.00
7.0.40.0100.07720.25
7.0.30.0300.07020.30
7.0.20.0430.07320.24
7.0.10.0070.04020.30
7.0.00.0200.06320.18
5.6.280.0000.07021.12
5.6.210.0100.07020.73
5.6.200.0000.07318.19
5.6.190.0070.04020.56
5.6.180.0300.07720.81
5.6.170.0300.05720.39
5.6.160.0170.07020.47
5.6.150.0130.06018.12
5.6.140.0100.07718.27
5.6.130.0100.06718.14
5.6.120.0100.08020.98
5.6.110.0070.08021.00
5.6.100.0130.06320.98
5.6.90.0070.08321.13
5.6.80.0030.08020.41
5.5.350.3900.04720.39
5.5.340.0130.08017.95
5.5.330.0130.07720.30
5.5.320.0270.04020.38
5.5.310.0400.02720.24
5.5.300.0000.04017.94
5.5.290.0100.08018.03
5.5.280.0030.07020.85
5.5.270.0030.04020.89
5.5.260.0070.04320.77
5.5.250.0070.08320.54
5.5.240.0270.06720.16
5.4.450.3030.03719.56
5.4.440.3100.03019.27
5.4.430.3000.04019.54
5.4.420.3200.03019.32
5.4.410.2830.03719.39
5.4.400.3070.03719.08
5.4.390.3400.05319.00
5.4.380.3030.03718.95
5.4.370.2930.03019.00
5.4.360.3600.04019.16
5.4.350.3200.03719.22
5.4.340.3530.04719.08
5.4.320.2630.02318.87
5.4.310.3030.03019.00
5.4.300.3170.04018.83
5.4.290.2570.03718.84
5.4.280.2900.03319.20
5.4.270.2900.03319.20
5.4.260.2830.02719.11
5.4.250.3270.03719.22
5.4.240.3270.03719.18
5.4.230.2870.04319.20
5.4.220.3270.03019.22
5.4.210.3000.03719.18
5.4.200.3370.03719.23
5.4.190.3100.04719.30
5.4.180.3330.04019.31
5.4.170.3270.03318.86
5.4.160.3200.03719.28
5.4.150.3270.03018.84
5.4.140.3200.03716.54
5.4.130.3200.03316.52
5.4.120.2930.03716.71
5.4.110.3230.03016.33
5.4.100.2600.03316.49
5.4.90.2900.03316.45
5.4.80.3230.03016.28
5.4.70.3070.03716.48
5.4.60.3170.03716.43
5.4.50.3270.03316.32
5.4.40.3330.04016.53
5.4.30.3130.04016.27
5.4.20.3130.04016.41
5.4.10.3670.03316.28
5.4.00.3800.04015.90
5.3.290.3730.04314.65
5.3.280.3870.03714.68
5.3.270.3830.03014.71
5.3.260.3570.04314.83
5.3.250.3130.04314.75
5.3.240.3230.02714.69
5.3.230.3000.04314.64
5.3.220.3170.03714.68
5.3.210.3170.03714.61
5.3.200.3230.03314.61
5.3.190.3070.03714.65
5.3.180.3200.03014.79
5.3.170.3530.04314.63
5.3.160.3170.04014.55
5.3.150.3300.03714.64
5.3.140.3200.03014.49
5.3.130.2970.04014.52
5.3.120.3030.03714.79
5.3.110.3200.04014.45
5.3.100.3270.04014.14
5.3.90.3330.04714.00
5.3.80.3400.03714.09
5.3.70.3230.03314.02
5.3.60.3330.03313.93
5.3.50.3270.03013.96
5.3.40.3370.02714.11
5.3.30.3200.03314.05
5.3.20.3300.04013.59
5.3.10.3130.03313.66
5.3.00.3130.03713.86
5.2.170.2700.03011.00
5.2.160.2370.03011.00
5.2.150.2470.02711.00
5.2.140.2470.03011.01
5.2.130.2300.03311.18
5.2.120.2430.02311.15
5.2.110.2630.02711.14
5.2.100.2570.02711.00
5.2.90.2400.03011.00
5.2.80.2500.03011.04
5.2.70.2600.03011.25
5.2.60.2530.02711.00
5.2.50.2370.03311.17
5.2.40.1970.03011.00
5.2.30.2170.03011.13
5.2.20.2230.02311.11
5.2.10.2270.02011.02
5.2.00.2030.02311.00
5.1.60.1970.02311.00
5.1.50.2100.02711.00
5.1.40.2100.03011.00
5.1.30.2170.02311.00
5.1.20.2070.02011.00
5.1.10.2100.03011.00
5.1.00.2170.03011.00
5.0.50.1100.02011.00
5.0.40.1070.02311.00
5.0.30.1170.03711.00
5.0.20.1100.02711.00
5.0.10.1200.02311.00
5.0.00.1230.03711.00
4.4.90.1230.01711.00
4.4.80.1000.01711.00
4.4.70.1070.02011.00
4.4.60.0970.01711.00
4.4.50.1030.01311.00
4.4.40.0970.02311.00
4.4.30.1170.01711.00
4.4.20.1030.01711.00
4.4.10.1200.01711.00
4.4.00.1230.02311.00
4.3.110.1400.01311.00
4.3.100.1430.02011.00
4.3.90.1330.01311.00
4.3.80.1130.02711.00
4.3.70.1170.02011.00
4.3.60.0900.01711.00
4.3.50.1200.01711.00
4.3.40.1170.02011.00
4.3.30.0600.02311.00
4.3.20.0570.02311.00
4.3.10.0630.02311.00
4.3.00.0530.02011.00

preferences:
68.92 ms | 401 KiB | 5 Q