3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'tst'; $b = array ( $a => 'value' ); $a = 'bnb'; echo $b['tst']; ?>

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)
8.3.70.0040.01116.58
8.3.60.0100.01018.43
8.3.50.0100.00522.90
8.3.40.0110.00418.69
8.3.30.0140.00018.96
8.3.20.0070.00020.25
8.3.10.0040.00423.53
8.3.00.0060.00319.25
8.2.180.0060.01016.63
8.2.170.0170.00322.96
8.2.160.0090.00620.29
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.03
8.2.110.0040.00420.16
8.2.100.0110.00018.22
8.2.90.0000.00719.36
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0030.00518.16
8.2.50.0030.00618.07
8.2.40.0040.00418.20
8.2.30.0000.00718.12
8.2.20.0040.00417.73
8.2.10.0050.00217.92
8.2.00.0080.00017.59
8.1.280.0160.00625.92
8.1.270.0040.00423.73
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00323.75
8.1.230.0000.01119.01
8.1.220.0000.00817.76
8.1.210.0000.00818.77
8.1.200.0000.00917.22
8.1.190.0030.00517.00
8.1.180.0000.00818.10
8.1.170.0040.00418.46
8.1.160.0000.00721.94
8.1.150.0080.00018.86
8.1.140.0000.00817.29
8.1.130.0030.00317.69
8.1.120.0040.00417.26
8.1.110.0050.00217.42
8.1.100.0090.00017.27
8.1.90.0060.00317.34
8.1.80.0070.00017.43
8.1.70.0030.00317.29
8.1.60.0070.00317.39
8.1.50.0000.00817.42
8.1.40.0000.00717.46
8.1.30.0040.00417.43
8.1.20.0050.00217.45
8.1.10.0080.00017.51
8.1.00.0050.00317.46
8.0.300.0050.00218.77
8.0.290.0030.00516.75
8.0.280.0030.00318.34
8.0.270.0030.00317.24
8.0.260.0040.00417.23
8.0.250.0000.00716.99
8.0.240.0000.00716.93
8.0.230.0040.00416.75
8.0.220.0030.00416.72
8.0.210.0040.00416.80
8.0.200.0030.00316.92
8.0.190.0000.00716.85
8.0.180.0040.00416.83
8.0.170.0000.00816.74
8.0.160.0030.00416.88
8.0.150.0040.00416.71
8.0.140.0050.00316.77
8.0.130.0050.00013.31
8.0.120.0030.00516.77
8.0.110.0040.00416.79
8.0.100.0050.00316.79
8.0.90.0040.00416.73
8.0.80.0000.01616.83
8.0.70.0020.00516.71
8.0.60.0000.00816.70
8.0.50.0040.00416.80
8.0.30.0130.01117.11
8.0.20.0130.00617.40
8.0.10.0040.00416.82
8.0.00.0110.00616.69
7.4.330.0030.00315.00
7.4.320.0000.00716.44
7.4.300.0030.00316.40
7.4.290.0040.00416.42
7.4.280.0040.00416.44
7.4.270.0090.00016.43
7.4.260.0040.00416.52
7.4.250.0040.00416.49
7.4.240.0000.00716.36
7.4.230.0070.00016.34
7.4.220.0030.01316.48
7.4.210.0090.00916.38
7.4.200.0000.00716.22
7.4.160.0100.01316.42
7.4.150.0150.00617.40
7.4.140.0140.00517.86
7.4.130.0100.01016.42
7.4.120.0100.00816.41
7.4.110.0190.02316.35
7.4.100.0140.00316.40
7.4.90.0100.00716.54
7.4.80.0070.01019.39
7.4.70.0120.00616.40
7.4.60.0130.00316.45
7.4.50.0000.00816.49
7.4.40.0130.00416.46
7.4.30.0090.00616.62
7.4.00.0040.01115.03
7.3.330.0000.00513.03
7.3.320.0060.00013.10
7.3.310.0000.00816.19
7.3.300.0000.00616.21
7.3.290.0100.00416.29
7.3.280.0090.01016.27
7.3.270.0110.01117.40
7.3.260.0140.00316.52
7.3.250.0120.01216.25
7.3.240.0000.01916.31
7.3.230.0130.00316.43
7.3.210.0100.01016.44
7.3.200.0080.00819.39
7.3.190.0100.00716.54
7.3.180.0100.00716.59
7.3.170.0030.01416.27
7.3.160.0040.01216.28
7.2.330.0030.01416.63
7.2.320.0150.00616.67
7.2.310.0120.00316.56
7.2.300.0110.00616.44
7.2.290.0060.01216.31
7.1.200.0070.00715.75
7.1.70.0030.00517.17
7.1.60.0180.00719.46
7.1.50.0090.01316.96
7.1.00.0000.08022.29
7.0.200.0030.00614.73
7.0.140.0030.07322.00
7.0.60.0070.04319.98
7.0.50.0030.07717.79
7.0.40.0100.06320.19
7.0.30.0270.04020.16
7.0.20.0230.08020.17
7.0.10.0030.07320.14
7.0.00.0100.08020.08
5.6.280.0070.07021.14
5.6.210.0030.07020.46
5.6.200.0130.03318.12
5.6.190.0100.08020.42
5.6.180.0270.05020.63
5.6.170.0170.07720.54
5.6.160.0100.07320.49
5.6.150.0100.06718.12
5.6.140.0000.07718.15
5.6.130.0030.07718.12
5.6.120.0100.07720.89
5.6.110.0170.06021.13
5.6.100.0030.08321.03
5.6.90.0070.04021.12
5.6.80.0030.05720.35
5.5.350.0170.07720.43
5.5.340.0030.04017.89
5.5.330.0200.06720.20
5.5.320.0030.04020.24
5.5.310.0370.07320.26
5.5.300.0100.07317.97
5.5.290.0100.07318.01
5.5.280.0070.03720.98
5.5.270.0000.08720.67
5.5.260.0100.07320.85
5.5.250.0030.08320.57
5.5.240.0100.06720.32
5.4.450.3130.04019.57
5.4.440.3200.03719.23
5.4.430.3100.03719.25
5.4.420.3200.04019.11
5.4.410.3330.03719.28
5.4.400.3570.04018.79
5.4.390.3700.04318.93
5.4.380.3630.05019.08
5.4.370.3500.03718.81
5.4.360.3400.03319.22
5.4.350.3430.03719.17
5.4.340.3370.03019.24
5.4.320.4170.03719.16
5.4.310.4130.03319.06
5.4.300.3000.04019.24
5.4.290.4000.03718.79
5.4.280.4170.03719.05
5.4.270.4200.03018.92
5.4.260.3770.03718.88
5.4.250.4200.03019.12
5.4.240.3530.03319.05
5.4.230.3770.04018.80
5.4.220.3730.04718.94
5.4.210.3370.04019.13
5.4.200.3430.04319.15
5.4.190.3430.03018.74
5.4.180.3470.03319.23
5.4.170.3100.04718.78
5.4.160.3700.04319.11
5.4.150.3970.04018.78
5.4.140.3730.03716.54
5.4.130.3600.04316.22
5.4.120.3700.03716.28
5.4.110.3570.04016.20
5.4.100.3630.03016.20
5.4.90.3730.03716.43
5.4.80.2330.03316.44
5.4.70.0030.04016.50
5.4.60.0130.05716.36
5.4.50.3430.03316.31
5.4.40.3370.03316.03
5.4.30.3330.03716.47
5.4.20.3570.03316.36
5.4.10.3370.03716.20
5.4.00.4270.03015.71
5.3.290.4170.04314.58
5.3.280.3370.03714.49
5.3.270.3300.04014.46
5.3.260.3200.03714.63
5.3.250.3830.03314.63
5.3.240.3970.03314.55
5.3.230.3270.03314.42
5.3.220.3400.03314.41
5.3.210.3230.04014.44
5.3.200.3800.04014.40
5.3.190.4070.04014.40
5.3.180.3630.02314.43
5.3.170.0070.03714.40
5.3.160.3500.03714.60
5.3.150.3530.03014.43
5.3.140.3500.03314.48
5.3.130.3500.03314.38
5.3.120.3470.03314.50
5.3.110.3630.04014.39
5.3.100.4230.03313.98
5.3.90.3770.03713.97
5.3.80.3770.04013.81
5.3.70.3700.03014.04
5.3.60.3570.03713.86
5.3.50.3930.03313.71
5.3.40.3600.03713.73
5.3.30.0030.07313.90
5.3.20.0430.03713.54
5.3.10.4130.04313.70
5.3.00.3400.03313.48
5.2.170.3030.03311.21
5.2.160.3130.02011.00
5.2.150.0270.06010.98
5.2.140.0030.03011.16
5.2.130.3670.02710.95
5.2.120.3500.02711.12
5.2.110.3070.02710.95
5.2.100.1800.03010.95
5.2.90.2130.02710.93
5.2.80.2930.02710.92
5.2.70.3070.03311.24
5.2.60.2870.03010.86
5.2.50.2830.03010.95
5.2.40.2370.02010.90
5.2.30.2000.03010.83
5.2.20.2100.03010.80
5.2.10.2170.03010.80
5.2.00.2070.02710.72
5.1.60.2130.0209.96
5.1.50.1970.02010.07
5.1.40.2370.0179.88
5.1.30.2370.02310.30
5.1.20.2170.02010.45
5.1.10.2300.02710.07
5.1.00.2300.0209.93
5.0.50.1130.0208.51
5.0.40.1170.0208.38
5.0.30.1370.0308.19
5.0.20.1370.0208.27
5.0.10.1200.0208.08
5.0.00.1100.0308.16
4.4.90.0970.0137.89
4.4.80.1400.0207.89
4.4.70.1100.0177.89
4.4.60.1330.0107.89
4.4.50.1130.0177.89
4.4.40.1170.0307.89
4.4.30.1200.0177.89
4.4.20.1270.0107.89
4.4.10.1100.0177.89
4.4.00.1370.0307.89
4.3.110.1400.0177.89
4.3.100.1430.0207.89
4.3.90.1130.0137.89
4.3.80.1370.0337.89
4.3.70.1100.0177.89
4.3.60.1300.0177.89
4.3.50.0600.0237.89
4.3.40.1630.0237.89
4.3.30.0800.0207.89
4.3.20.0900.0207.89
4.3.10.0900.0207.89
4.3.00.0670.0177.89

preferences:
39.3 ms | 401 KiB | 5 Q