3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '1234'; $b = '34564'; $z[1] = &$a; $x[] = &$z[1]; $z[1] = &$b; var_dump($a, $b, $z, $x);

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)
8.3.60.0110.00418.31
8.3.50.0080.01221.99
8.3.40.0110.00718.71
8.3.30.0030.01719.08
8.3.20.0050.00320.18
8.3.10.0000.00823.48
8.3.00.0030.00620.64
8.2.180.0060.01216.63
8.2.170.0120.00322.96
8.2.160.0000.01421.93
8.2.150.0050.00324.18
8.2.140.0090.00924.66
8.2.130.0000.00726.16
8.2.120.0030.00617.75
8.2.110.0090.00022.20
8.2.100.0080.00417.91
8.2.90.0000.00817.62
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00717.93
8.2.50.0060.00318.07
8.2.40.0080.00018.07
8.2.30.0040.00418.12
8.2.20.0000.00817.71
8.2.10.0030.00517.59
8.2.00.0030.00517.67
8.1.280.0090.01225.92
8.1.270.0070.01123.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00922.46
8.1.230.0110.00020.97
8.1.220.0000.00717.74
8.1.210.0040.00418.90
8.1.200.0080.00017.22
8.1.190.0050.00217.40
8.1.180.0000.00818.10
8.1.170.0000.00918.53
8.1.160.0040.00421.99
8.1.150.0000.00818.63
8.1.140.0060.00317.39
8.1.130.0030.00317.79
8.1.120.0000.00817.47
8.1.110.0000.00817.36
8.1.100.0030.00317.36
8.1.90.0070.00017.29
8.1.80.0040.00417.46
8.1.70.0070.00017.25
8.1.60.0000.00917.57
8.1.50.0080.00017.38
8.1.40.0040.00417.43
8.1.30.0040.00417.57
8.1.20.0030.00617.57
8.1.10.0050.00317.54
8.1.00.0040.00417.43
8.0.300.0060.00319.85
8.0.290.0040.00417.05
8.0.280.0040.00418.35
8.0.270.0000.00717.10
8.0.260.0030.00316.81
8.0.250.0030.00316.89
8.0.240.0020.00516.90
8.0.230.0030.00316.82
8.0.220.0030.00316.89
8.0.210.0030.00316.84
8.0.200.0080.00016.88
8.0.190.0030.00616.82
8.0.180.0080.00016.88
8.0.170.0050.00316.75
8.0.160.0040.00416.84
8.0.150.0020.00516.75
8.0.140.0040.00416.68
8.0.130.0030.00313.34
8.0.120.0040.00416.70
8.0.110.0030.00616.74
8.0.100.0030.00416.66
8.0.90.0000.00716.75
8.0.80.0090.00916.86
8.0.70.0000.00716.63
8.0.60.0000.00716.82
8.0.50.0000.00716.65
8.0.30.0190.00117.02
8.0.20.0140.00517.40
8.0.10.0080.00017.07
8.0.00.0140.01316.65
7.4.330.0050.00015.05
7.4.320.0000.00616.50
7.4.300.0000.00716.39
7.4.290.0070.00416.43
7.4.280.0070.00016.36
7.4.270.0040.00416.38
7.4.260.0070.00016.53
7.4.250.0070.00016.46
7.4.240.0050.00216.41
7.4.230.0030.00316.56
7.4.220.0090.01016.50
7.4.210.0070.00916.49
7.4.200.0050.00316.64
7.4.190.0030.00316.31
7.4.160.0110.00716.43
7.4.150.0130.00617.40
7.4.140.0130.00517.86
7.4.130.0120.00616.37
7.4.120.0100.00716.45
7.4.110.0060.01116.32
7.4.100.0140.00516.37
7.4.90.0040.01316.24
7.4.80.0120.00616.37
7.4.70.0100.00716.44
7.4.60.0130.00616.51
7.4.50.0020.00216.41
7.4.40.0000.01622.77
7.4.30.0080.00916.26
7.4.00.0040.00714.80
7.3.330.0060.00013.11
7.3.320.0050.00013.14
7.3.310.0030.00316.14
7.3.300.0040.00416.18
7.3.290.0150.00016.10
7.3.280.0040.01516.26
7.3.270.0120.00617.40
7.3.260.0130.00516.14
7.3.250.0100.01216.32
7.3.240.0120.00616.25
7.3.230.0130.00416.39
7.3.210.0100.00716.59
7.3.200.0060.01219.39
7.3.190.0270.01616.55
7.3.180.0130.00316.28
7.3.170.0070.01016.40
7.3.160.0090.00616.16
7.3.120.0120.00314.90
7.3.110.0110.00415.00
7.3.100.0070.01014.78
7.3.90.0040.01114.72
7.3.80.0030.01014.95
7.3.70.0060.00914.59
7.3.60.0000.01714.89
7.3.50.0040.00714.78
7.3.40.0040.00714.70
7.3.30.0000.01114.70
7.3.20.0060.00916.54
7.3.10.0030.01016.57
7.3.00.0000.01116.56
7.2.330.0040.01316.25
7.2.320.0160.00016.65
7.2.310.0050.01116.50
7.2.300.0090.00616.64
7.2.290.0050.01116.29
7.2.240.0000.01414.67
7.2.230.0110.00414.89
7.2.220.0090.00615.06
7.2.210.0170.00015.00
7.2.200.0130.00014.95
7.2.190.0030.01314.98
7.2.180.0110.00714.77
7.2.170.0030.01214.77
7.2.160.0090.00614.97
7.2.150.0000.01516.75
7.2.140.0150.00416.59
7.2.130.0070.01016.87
7.2.120.0030.01016.89
7.2.110.0040.01516.70
7.2.100.0120.00016.88
7.2.90.0110.00416.93
7.2.80.0070.01016.89
7.2.70.0060.00316.69
7.2.60.0070.00916.83
7.2.50.0070.01116.95
7.2.40.0070.00416.61
7.2.30.0080.00616.98
7.2.20.0070.01016.77
7.2.10.0030.01616.62
7.2.00.0150.00818.06
7.1.330.0040.00715.55
7.1.320.0030.01015.75
7.1.310.0090.00615.50
7.1.300.0070.00715.74
7.1.290.0070.00715.75
7.1.280.0100.00315.86
7.1.270.0100.00315.63
7.1.260.0040.01115.78
7.1.250.0050.00815.73
7.1.200.0060.01015.59
7.1.100.0090.00617.98
7.1.70.0020.00517.12
7.1.60.0110.01519.32
7.1.50.0120.00916.99
7.1.00.0070.07322.27
7.0.200.0040.00816.57
7.0.140.0000.07722.07
7.0.60.0000.08019.94
7.0.50.0100.07317.85
7.0.40.0170.07720.26
7.0.30.0470.07320.09
7.0.20.0130.04320.18
7.0.10.0170.08320.30
7.0.00.0030.04320.17
5.6.280.0170.06320.85
5.6.210.0100.04720.74
5.6.200.0100.08718.18
5.6.190.0030.07020.37
5.6.180.0430.07720.39
5.6.170.0270.04020.34
5.6.160.0030.07020.71
5.6.150.0100.04718.22
5.6.140.0130.07318.16
5.6.130.0070.08018.11
5.6.120.0130.07720.98
5.6.110.0200.07321.00
5.6.100.0130.05021.13
5.6.90.0100.07320.94
5.6.80.0070.07320.39
5.5.350.0270.07020.41
5.5.340.0170.06017.91
5.5.330.0100.08020.19
5.5.320.0470.05020.29
5.5.310.0300.06720.39
5.5.300.0100.06317.92
5.5.290.0030.04318.01
5.5.280.0070.05720.89
5.5.270.0030.08720.88
5.5.260.0070.07020.75
5.5.250.0100.06720.57
5.5.240.0300.07720.15
5.4.450.3570.03719.25
5.4.440.0070.03719.13
5.4.430.3470.03019.48
5.4.420.3430.03719.41
5.4.410.3570.03719.45
5.4.400.3370.04019.12
5.4.390.3600.04319.09
5.4.380.3500.04018.92
5.4.370.3370.04318.79
5.4.360.4300.04019.13
5.4.350.3470.03318.92
5.4.340.3530.04319.25
5.4.320.2570.05019.09
5.4.310.2470.03019.21
5.4.300.2770.03318.82
5.4.290.2970.03318.93
5.4.280.3000.03318.88
5.4.270.2800.03719.09
5.4.260.1970.03319.12
5.4.250.2800.03318.78
5.4.240.2330.04018.93
5.4.230.2570.03318.80
5.4.220.3130.03719.13
5.4.210.3930.04319.09
5.4.200.3630.03319.08
5.4.190.3900.03719.23
5.4.180.3600.03019.12
5.4.170.3700.03719.15
5.4.160.3630.04019.07
5.4.150.3130.04019.11
5.4.140.3800.03316.31
5.4.130.3500.03716.46
5.4.120.3430.03316.28
5.4.110.3670.03316.32
5.4.100.2070.03716.45
5.4.90.3770.03716.41
5.4.80.3600.03316.18
5.4.70.3670.04316.37
5.4.60.3900.03716.36
5.4.50.3670.03316.47
5.4.40.3670.03016.36
5.4.30.3270.04316.44
5.4.20.3600.03716.36
5.4.10.4530.03316.36
5.4.00.3530.03715.99
5.3.290.3500.03714.69
5.3.280.2400.03714.45
5.3.270.3600.03714.56
5.3.260.3600.03314.64
5.3.250.3100.03714.69
5.3.240.3900.03014.49
5.3.230.3430.04014.46
5.3.220.3330.04014.39
5.3.210.3870.02714.50
5.3.200.3470.04014.51
5.3.190.3700.04014.41
5.3.180.3500.04014.50
5.3.170.3430.03714.46
5.3.160.3870.04314.46
5.3.150.3670.02714.66
5.3.140.3600.03314.39
5.3.130.3600.03714.37
5.3.120.4730.03714.58
5.3.110.3670.04014.57
5.3.100.3830.03713.96
5.3.90.3270.04314.05
5.3.80.3570.04013.85
5.3.70.3230.03013.86
5.3.60.3700.03713.88
5.3.50.3500.04713.79
5.3.40.0130.03013.82
5.3.30.1200.03714.00
5.3.20.3870.03713.78
5.3.10.3670.03313.49
5.3.00.3730.03313.47
5.2.170.2170.03011.00
5.2.160.0030.02710.98
5.2.150.0030.03011.23
5.2.140.2900.03311.15
5.2.130.3230.02711.12
5.2.120.3830.02010.96
5.2.110.3000.03010.94
5.2.100.3030.03011.04
5.2.90.3070.03011.25
5.2.80.3300.03310.94
5.2.70.3030.02711.10
5.2.60.3300.03310.88
5.2.50.2930.03011.16
5.2.40.2630.03011.14
5.2.30.2270.02710.82
5.2.20.2370.03010.79
5.2.10.2430.02310.93
5.2.00.2570.02010.68
5.1.60.3170.0239.93
5.1.50.1570.02710.07
5.1.40.0030.0479.89
5.1.30.0100.05010.33
5.1.20.0070.03010.24
5.1.10.0400.04010.02
5.1.00.2570.02710.07
5.0.50.1170.0208.66
5.0.40.1200.0208.38
5.0.30.1330.0338.13
5.0.20.0770.0208.07
5.0.10.1230.0208.09
5.0.00.1270.0278.05
4.4.90.1270.0176.13
4.4.80.1300.0136.13
4.4.70.1300.0136.13
4.4.60.1170.0176.13
4.4.50.1300.0176.13
4.4.40.1470.0306.13
4.4.30.0000.0176.13
4.4.20.0070.0206.13
4.4.10.1530.0106.13
4.4.00.1300.0236.13
4.3.110.1200.0136.13
4.3.100.1300.0136.13
4.3.90.1170.0176.13
4.3.80.1370.0276.13
4.3.70.1200.0136.13
4.3.60.1200.0136.13
4.3.50.1170.0176.13
4.3.40.1230.0236.13
4.3.30.0570.0176.13
4.3.20.0600.0176.13
4.3.10.0630.0136.13
4.3.00.0630.0176.13

preferences:
43.56 ms | 401 KiB | 5 Q