3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); class x { private $value; private $y; public function __construct($value) { $this->value = $value; $this->y = new y(); } } class y { } $array = array(); $objects = array(); for($i = 0; $i < 50000; $i++) { $value = md5('Hallo'); $objects[] = new x($value); $array[] = $value; } var_dump(number_format(memory_get_usage(), 0, ',', '.')) . " -- "; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); unset($objects); unset($value); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . " -- "; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; $array = array(); $objects = array(); for($i = 0; $i < 50000; $i++) { $value = md5('Hallo'); $objects[] = new x($value); $array[] = $value; } var_dump(number_format(memory_get_usage(), 0, ',', '.')) . " -- "; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); unset($objects); unset($value); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . " -- "; var_dump(number_format(memory_get_usage(true), 0,',','.')); var_dump(get_defined_vars());

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)
7.4.60.0480.09330.38
7.4.50.0270.06530.80
7.4.40.0220.06730.23
7.4.30.0410.06230.52
7.4.20.0230.07730.67
7.4.10.0190.07430.60
7.4.00.0250.08130.72
7.3.180.0170.11230.46
7.3.170.0340.05630.54
7.3.160.0260.06830.36
7.3.150.0220.07630.78
7.3.140.0300.06230.74
7.3.130.0230.07930.63
7.3.120.0520.06130.75
7.3.110.0420.06330.46
7.3.100.0100.08230.63
7.3.90.0230.07330.57
7.3.80.0200.07430.37
7.3.70.0290.06530.66
7.3.60.0380.06730.77
7.3.50.0270.07230.55
7.3.40.0260.07030.55
7.3.30.0130.08230.61
7.3.20.0260.06830.75
7.3.10.0490.07930.56
7.3.00.0350.06730.67
7.2.310.0490.05931.09
7.2.300.0310.06930.84
7.2.290.0300.07930.93
7.2.280.0200.08530.94
7.2.270.0280.07630.87
7.2.260.0260.07830.88
7.2.250.0130.09131.05
7.2.240.0300.08330.90
7.2.230.0420.06730.82
7.2.220.0230.07730.87
7.2.210.0390.05931.01
7.2.200.0280.07630.79
7.2.190.0290.08031.04
7.2.180.0240.08330.86
7.2.170.0300.07330.91
7.2.160.0260.07930.90
7.2.150.0380.07331.05
7.2.140.0680.09731.04
7.2.130.0390.06830.84
7.2.120.0230.08530.94
7.2.110.0350.07330.80
7.2.100.0270.11930.91
7.2.90.0230.10630.99
7.2.80.0560.10130.95
7.2.70.0420.06830.93
7.2.60.0410.06930.85
7.2.50.0350.06830.92
7.2.40.0480.06831.00
7.2.30.0350.08331.02
7.2.20.0170.08731.00
7.2.10.0460.06231.05
7.2.00.0190.06733.28
7.1.330.0390.07529.88
7.1.320.0460.09229.84
7.1.310.0390.07829.89
7.1.300.0410.14129.93
7.1.290.0450.11629.91
7.1.280.0210.09129.98
7.1.270.0350.08729.89
7.1.260.0430.15229.78
7.1.250.0350.08330.00
7.1.240.0230.09129.93
7.1.230.0220.09629.77
7.1.220.0230.10129.84
7.1.210.0390.07529.82
7.1.200.0400.10629.89
7.1.190.0370.10529.77
7.1.180.0400.07729.86
7.1.170.0290.08429.90
7.1.160.0220.09329.84
7.1.150.0130.09729.93
7.1.140.0310.08229.92
7.1.130.0340.08129.88
7.1.120.0340.09329.86
7.1.110.0440.07629.86
7.1.100.0330.08529.71
7.1.90.0350.10829.98
7.1.80.0260.09230.09
7.1.70.0300.07131.63
7.1.60.0260.07431.92
7.1.50.0290.09231.71
7.1.40.0270.08230.05
7.1.30.0350.09229.82
7.1.20.0380.12830.03
7.1.10.0430.07630.03
7.1.00.0230.11234.07
7.0.330.0460.07229.81
7.0.320.0490.07829.59
7.0.310.0250.09429.54
7.0.300.0260.14629.82
7.0.290.0400.09729.82
7.0.280.0540.07729.60
7.0.270.0430.08029.53
7.0.260.0350.08529.82
7.0.250.0390.08729.69
7.0.240.0440.08529.61
7.0.230.0230.10929.50
7.0.220.0370.08329.82
7.0.210.0320.09829.64
7.0.200.0240.07231.23
7.0.190.0240.09029.73
7.0.180.0230.09729.75
7.0.170.0290.09129.82
7.0.160.0520.07829.89
7.0.150.0290.10629.63
7.0.140.0190.11433.92
7.0.130.0200.10529.73
7.0.120.0280.09829.61
7.0.110.0280.13632.00
7.0.100.0280.12231.81
7.0.90.0420.11232.07
7.0.80.0310.11731.95
7.0.70.0520.10032.01
7.0.60.0480.11531.84
7.0.50.0280.13132.17
7.0.40.0260.14126.45
7.0.30.0300.11326.37
7.0.20.0330.11826.30
7.0.10.0320.11726.31
7.0.00.0230.11726.30
5.6.400.0360.32247.62
5.6.390.0350.24047.72
5.6.380.0640.23147.73
5.6.370.0670.21747.57
5.6.360.0720.25347.89
5.6.350.0460.23747.69
5.6.340.0720.20147.61
5.6.330.0560.21947.96
5.6.320.0410.23647.86
5.6.310.0620.23247.52
5.6.300.0700.21547.75
5.6.290.0600.21947.82
5.6.280.0420.22950.76
5.6.270.0510.24147.75
5.6.260.0350.24050.08
5.6.250.0330.25749.99
5.6.240.0300.23250.08
5.6.230.0560.25050.01
5.6.220.0500.22449.93
5.6.210.0340.23850.13
5.6.200.0410.26350.00
5.6.190.0370.21850.04
5.6.180.0310.22849.87
5.6.170.0310.21649.90
5.6.160.0380.23449.96
5.6.150.0410.22449.92
5.6.140.0460.22850.06
5.6.130.0340.23250.04
5.6.120.0360.24249.99
5.6.110.0430.24149.95
5.6.100.0470.22849.93
5.6.90.0510.22650.09
5.6.80.0330.21149.53
5.6.70.0420.23049.79
5.6.60.0330.22649.74
5.6.50.0360.27249.58
5.6.40.0510.21349.66
5.6.30.0460.24049.47
5.6.20.0300.20949.55
5.6.10.0270.21249.46
5.6.00.0250.19849.60
5.5.380.0410.24049.86
5.5.370.0380.23749.79
5.5.360.0470.23849.86
5.5.350.0530.22449.74
5.5.340.0420.22350.12
5.5.330.0470.21650.20
5.5.320.0430.23150.10
5.5.310.0420.22450.08
5.5.300.0440.19649.94
5.5.290.0450.24250.06
5.5.280.0380.22450.06
5.5.270.0370.24650.05
5.5.260.0260.23349.93
5.5.250.0400.24449.99
5.5.240.0420.21449.66
5.5.230.0470.22849.77
5.5.220.0500.22549.76
5.5.210.0480.24549.83
5.5.200.0260.25749.71
5.5.190.0300.23049.82
5.5.180.0430.19649.68
5.5.170.0580.28147.66
5.5.160.0350.19849.80
5.5.150.0460.17549.70
5.5.140.0530.19149.71
5.5.130.0320.22349.63
5.5.120.0570.24349.78
5.5.110.0520.19949.82
5.5.100.0340.19649.75
5.5.90.0430.18749.65
5.5.80.0370.19649.59
5.5.70.0280.20449.54
5.5.60.0280.19449.67
5.5.50.0330.24249.59
5.5.40.0370.19549.62
5.5.30.0520.19849.70
5.5.20.0380.25249.70
5.5.10.0490.28149.67
5.5.00.0470.24949.64
5.4.450.0400.21747.72
5.4.440.0450.30647.51
5.4.430.0410.24247.61
5.4.420.0290.22147.76
5.4.410.0290.24547.54
5.4.400.0390.20847.52
5.4.390.0430.22947.53
5.4.380.0420.21647.50
5.4.370.0300.22547.43
5.4.360.0430.21847.55
5.4.350.0340.23147.51
5.4.340.0500.21447.37
5.4.330.0500.24544.29
5.4.320.0320.20147.55
5.4.310.0320.20647.58
5.4.300.0250.19647.48
5.4.290.0370.21247.45
5.4.280.0550.19647.42
5.4.270.0290.24847.39
5.4.260.0310.18847.44
5.4.250.0410.19347.53
5.4.240.0290.18647.50
5.4.230.0380.18947.42
5.4.220.0390.19747.55
5.4.210.0300.19847.42
5.4.200.0380.19047.47
5.4.190.0290.20547.47
5.4.180.0300.25047.44
5.4.170.0440.21547.56
5.4.160.0470.22547.42
5.4.150.0350.25547.44
5.4.140.0460.21746.22
5.4.130.0440.24246.08
5.4.120.0360.22746.15
5.4.110.0430.23246.18
5.4.100.0400.20546.22
5.4.90.0340.23446.21
5.4.80.0320.22946.10
5.4.70.0330.26246.24
5.4.60.0540.24746.21
5.4.50.0390.25746.25
5.4.40.0310.23446.14
5.4.30.0390.24646.25
5.4.20.0430.22146.28
5.4.10.0470.24346.19
5.4.00.0390.23845.95
5.3.290.0330.34668.91
5.3.280.0390.36868.69
5.3.270.0540.34868.69
5.3.260.0610.35068.71
5.3.250.0490.36868.75
5.3.240.0490.37768.63
5.3.230.0400.37268.64
5.3.220.0500.38968.61
5.3.210.0590.37468.65
5.3.200.0510.35368.69
5.3.190.0460.36168.70
5.3.180.0370.34768.80
5.3.170.0470.34468.79
5.3.160.0440.36168.80
5.3.150.0440.36268.82
5.3.140.0460.38768.79
5.3.130.0490.38668.73
5.3.120.0450.37468.63
5.3.110.0560.35569.16
5.3.100.0430.35868.57
5.3.90.0410.34268.57
5.3.80.0500.34368.50
5.3.70.0540.35968.34
5.3.60.0480.33668.43
5.3.50.0520.34268.39
5.3.40.0480.33668.47
5.3.30.0590.35668.52
5.3.20.0460.34168.26
5.3.10.0510.32868.19
5.3.00.0360.33668.20
5.2.170.0080.03312.41
5.2.160.0020.03812.49
5.2.150.0070.03412.42
5.2.140.0150.02312.38
5.2.130.0050.03212.35
5.2.120.0050.02612.38
5.2.110.0060.03312.41
5.2.100.0080.03312.50
5.2.90.0070.02912.36
5.2.80.0040.03712.36
5.2.70.0090.01712.32
5.2.60.0130.02112.27
5.2.50.0090.03312.34
5.2.40.0020.02412.38
5.2.30.0020.04112.34
5.2.20.0040.03412.30
5.2.10.0030.02912.31
5.2.00.0030.02812.20
5.1.60.0050.02811.87
5.1.50.0010.03411.87
5.1.40.0030.03011.92
5.1.30.0090.02312.06
5.1.20.0030.03211.97
5.1.10.0000.03711.93
5.1.00.0010.02911.90
5.0.50.0030.02511.58
5.0.40.0020.02611.58
5.0.30.0030.03511.58
5.0.20.0030.02811.58
5.0.10.0030.02511.58
5.0.00.0080.03011.58
4.4.90.0040.01811.58
4.4.80.0030.02011.58
4.4.70.0040.01811.58
4.4.60.0010.02011.58
4.4.50.0040.01011.58
4.4.40.0070.02311.58
4.4.30.0000.02211.58
4.4.20.0030.02011.58
4.4.10.0060.01711.58
4.4.00.0070.02311.58
4.3.110.0030.01811.58
4.3.100.0050.01811.58
4.3.90.0000.02111.58
4.3.80.0020.02311.58
4.3.70.0030.01811.58
4.3.60.0000.02111.58
4.3.50.0000.02111.58
4.3.40.0010.02611.58
4.3.30.0020.02111.58
4.3.20.0050.01611.58
4.3.10.0030.01811.58
4.3.00.0040.01811.58

preferences:
37.75 ms | 401 KiB | 5 Q