3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(null); function fill (&$a, $i = 3) { if (!$i--) return; foreach ($a as &$tmp) { $tmp = array($tmp ,&$a); //var_dump($a); fill($tmp, $i); } } fill($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)
8.3.40.0400.03646.55
8.3.30.0530.03346.84
8.3.20.0360.03048.00
8.3.10.0100.02449.93
8.3.00.0210.01848.39
8.2.170.0330.05748.63
8.2.160.0270.03750.35
8.2.150.0190.02348.61
8.2.140.0170.04848.89
8.2.130.0200.02350.13
8.2.120.0160.03550.63
8.2.110.0170.03050.37
8.2.100.0200.05147.66
8.2.90.0200.03049.14
8.2.80.0200.03347.68
8.2.70.0170.05947.13
8.2.60.0100.04747.66
8.2.50.0140.05447.25
8.2.40.0230.02949.34
8.2.30.0100.04547.61
8.2.20.0160.03647.43
8.2.10.0100.04047.63
8.2.00.0040.05047.29
8.1.270.0140.02451.79
8.1.260.0250.00948.45
8.1.250.0180.00951.98
8.1.240.0000.02652.33
8.1.230.0230.01948.71
8.1.220.0060.02847.28
8.1.210.0130.01946.98
8.1.200.0190.01947.10
8.1.190.0160.01947.26
8.1.180.0060.02946.85
8.1.170.0140.02148.41
8.1.160.0170.02451.67
8.1.150.0100.02148.22
8.1.140.0160.01947.10
8.1.130.0070.02547.53
8.1.120.0180.01447.07
8.1.110.0230.01047.06
8.1.100.0130.02047.02
8.1.90.0180.01446.96
8.1.80.0170.01347.08
8.1.70.0170.01747.04
8.1.60.0190.03647.26
8.1.50.0090.02847.11
8.1.40.0200.02047.23
8.1.30.0100.03047.25
8.1.20.0130.02047.23
8.1.10.0290.07281.21
8.1.00.0430.05681.14
8.0.300.0300.05380.79
8.0.290.0130.07080.66
8.0.280.0270.05381.85
8.0.270.0460.05080.68
8.0.260.0300.06080.30
8.0.250.0400.04680.43
8.0.240.0440.07480.38
8.0.230.0200.06780.46
8.0.220.0270.05780.36
8.0.210.0240.05880.35
8.0.200.0300.06480.39
8.0.190.0300.08080.25
8.0.180.0360.06880.31
8.0.170.0310.07580.33
8.0.160.0200.08480.30
8.0.150.0130.09680.38
8.0.140.0400.07780.32
8.0.130.0460.178136.76
8.0.120.0200.08980.38
8.0.110.0130.07980.30
8.0.100.0290.07180.32
8.0.90.0200.08480.39
8.0.80.0750.13180.32
8.0.70.0390.05980.24
8.0.60.0200.07880.42
8.0.50.0270.07380.25
8.0.30.0710.13180.45
8.0.20.0760.11580.41
8.0.10.0270.07180.28
8.0.00.0810.14780.26
7.4.330.0100.05877.24
7.4.320.0300.05980.08
7.4.300.0370.05079.85
7.4.290.0340.07480.01
7.4.280.0200.08280.00
7.4.270.0200.08079.98
7.4.260.0270.07380.03
7.4.250.0230.08779.93
7.4.240.0260.07279.94
7.4.230.0330.06780.12
7.4.220.0460.16680.07
7.4.210.0640.12179.87
7.4.200.0330.06980.01
7.4.190.0160.08880.07
7.4.160.0560.12579.93
7.4.150.0520.13779.96
7.4.140.0720.18379.89
7.4.130.0670.15480.09
7.4.120.0690.14880.02
7.4.110.0670.13780.00
7.4.100.0760.15280.11
7.4.90.0630.15079.84
7.4.80.0690.17479.86
7.4.70.0760.13679.93
7.4.60.0510.16279.88
7.4.50.0270.04080.05
7.4.40.0340.10179.82
7.4.30.0520.13679.99
7.4.00.0300.10478.47
7.3.330.0400.186136.89
7.3.320.0470.200136.56
7.3.310.0300.06679.64
7.3.300.0290.06979.65
7.3.290.0720.10879.64
7.3.280.0660.15479.71
7.3.270.0520.14479.70
7.3.260.0800.14779.73
7.3.250.0680.12579.75
7.3.240.0610.13879.79
7.3.230.0670.13279.68
7.3.210.0780.16180.20
7.3.200.0620.16179.95
7.3.190.0950.16779.76
7.3.180.0580.14779.90
7.3.170.0650.13779.87
7.3.160.0490.14580.01
7.3.120.0290.10577.90
7.2.330.0510.08147.34
7.2.320.0400.07647.03
7.2.310.0380.07247.14
7.2.300.0300.06947.43
7.2.290.0300.06347.19
7.2.00.0200.02341.66
7.1.100.0070.03440.12
7.1.70.0100.02039.04
7.1.60.0110.02539.62
7.1.50.0140.04147.29
7.1.40.0070.03746.85
7.1.30.0070.04047.01
7.1.20.0140.04547.00
7.1.10.0130.03546.99
7.1.00.0070.03546.92
7.0.200.0060.01938.92
7.0.190.0070.04347.10
7.0.180.0300.04446.39
7.0.170.0000.05246.56
7.0.160.0060.04546.49
7.0.150.0290.04546.66
7.0.140.0030.04046.55
7.0.130.0030.04146.80
7.0.120.0030.04146.91
7.0.110.0030.05046.70
7.0.100.0070.04846.70
7.0.90.0140.03146.91
7.0.80.0100.05046.67
7.0.70.0130.04346.73
7.0.60.0000.04746.44
7.0.50.0000.05146.70
7.0.40.0030.04322.75
7.0.30.0100.03422.79
7.0.20.0140.04122.55
7.0.10.0030.04423.00
7.0.00.0070.03922.88
5.6.300.0170.18368.93
5.6.290.0130.17068.92
5.6.280.0130.17468.86
5.6.270.0300.22568.91
5.6.260.0200.19669.04
5.6.250.0070.18469.03
5.6.240.0400.16568.96
5.6.230.0200.18869.04
5.6.220.0100.18369.02
5.6.210.0200.17369.14
5.6.200.0100.19669.13
5.6.190.0700.20069.11
5.6.180.0270.17569.16
5.6.170.0170.20068.95
5.6.160.0260.17969.13
5.6.150.0200.21769.03
5.6.140.0070.19269.03
5.6.130.1070.19469.14
5.6.120.0200.18668.96
5.6.110.0260.18169.15
5.6.100.0230.18369.12
5.6.90.0200.16968.97
5.6.80.0130.19168.30
5.6.70.0200.20568.51
5.6.60.0200.20168.41
5.6.50.0170.17968.53
5.6.40.0200.20668.33
5.6.30.0070.18068.31
5.6.20.0270.18168.21
5.6.10.0170.17568.34
5.6.00.0130.18968.52
5.5.380.0170.17365.54
5.5.370.0130.17365.61
5.5.360.0230.17565.73
5.5.350.0130.16965.52
5.5.340.0620.19165.80
5.5.330.0130.18765.94
5.5.320.0170.17866.01
5.5.310.0130.19666.11
5.5.300.0170.18965.79
5.5.290.0170.18466.16
5.5.280.0130.19366.08
5.5.270.0240.18866.04
5.5.260.0070.20166.13
5.5.250.0230.17365.92
5.5.240.0300.15665.48
5.5.230.0230.16665.48
5.5.220.0100.20165.16
5.5.210.0230.17065.45
5.5.200.0070.18965.50
5.5.190.0240.18165.39
5.5.180.0170.19265.29
5.5.160.0170.17765.13
5.5.150.0170.18865.45
5.5.140.0330.18565.49
5.5.130.0200.19365.13
5.5.120.0330.18465.50
5.5.110.0170.18965.35
5.5.100.0070.21865.19
5.5.90.0230.18965.30
5.5.80.0300.18565.43
5.5.70.0170.19665.04
5.5.60.0170.19465.41
5.5.50.0170.18465.19
5.5.40.0130.20865.39
5.5.30.0200.19065.33
5.5.20.0300.16765.17
5.5.10.0200.17165.40
5.5.00.0140.17965.35
5.4.450.0370.38891.68
5.4.440.0230.39191.57
5.4.430.1470.39391.80
5.4.420.0130.40491.64
5.4.410.0270.38691.52
5.4.400.0200.38491.29
5.4.390.0170.40991.25
5.4.380.0130.38691.35
5.4.370.0200.40091.32
5.4.360.0170.38391.48
5.4.350.0270.39991.42
5.4.340.0230.37691.27
5.4.320.0170.38491.49
5.4.310.0230.41491.24
5.4.300.0300.43491.32
5.4.290.0230.41791.46
5.4.280.0440.39691.32
5.4.270.0300.41091.21
5.4.260.0130.43191.47
5.4.250.0230.41291.30
5.4.240.0230.43991.32
5.4.230.0130.42291.49
5.4.220.0270.46191.45
5.4.210.0170.41091.23
5.4.200.0470.38391.32
5.4.190.0170.39991.34
5.4.180.0400.40791.60
5.4.170.0270.40691.38
5.4.160.0300.37591.24
5.4.150.0370.39891.33
5.4.140.0330.39089.03
5.4.130.0170.38588.90
5.4.120.0270.39289.16
5.4.110.0230.40789.05
5.4.100.0460.37288.83
5.4.90.0270.37489.16
5.4.80.0200.42089.05
5.4.70.0200.39488.82
5.4.60.0300.38089.02
5.4.50.0270.39089.17
5.4.40.0270.37289.05
5.4.30.0130.40888.86
5.4.20.0300.36289.01
5.4.10.0200.37988.78
5.4.00.0230.36688.46
5.3.290.0300.38880.36
5.3.280.0200.41480.69
5.3.270.0260.37180.71
5.3.260.0230.38280.66
5.3.250.0600.36480.65
5.3.240.0300.37080.48
5.3.230.0230.40280.69
5.3.220.0300.37480.59
5.3.210.0240.39680.66
5.3.200.0130.37980.44
5.3.190.0130.39480.45
5.3.180.0170.37880.66
5.3.170.0270.37380.59
5.3.160.0200.37580.66
5.3.150.0170.38380.38
5.3.140.0130.39980.44
5.3.130.0300.38580.65
5.3.120.0130.40280.24
5.3.110.0230.38480.57
5.3.100.0230.37179.93
5.3.90.0230.39279.89
5.3.80.0230.39179.98
5.3.70.0200.40580.02
5.3.60.0070.38679.96
5.3.50.0130.38279.58
5.3.40.0230.36979.99
5.3.30.0130.40179.65
5.3.20.0230.39079.76
5.3.10.0170.38979.36
5.3.00.1330.37079.69

preferences:
39.61 ms | 400 KiB | 5 Q