3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$string = "ab"; list($a, $b) = "ab"; var_dump($a, $b);

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)
8.3.60.0070.00716.50
8.3.50.0130.00721.89
8.3.40.0040.01218.84
8.3.30.0070.00718.92
8.3.20.0040.00420.33
8.3.10.0080.00020.36
8.3.00.0060.00319.26
8.2.180.0100.01016.63
8.2.170.0040.01122.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.97
8.2.110.0070.00322.13
8.2.100.0080.00417.90
8.2.90.0030.00619.17
8.2.80.0060.00317.97
8.2.70.0000.00917.63
8.2.60.0040.00417.93
8.2.50.0000.00918.10
8.2.40.0080.00018.34
8.2.30.0030.00619.58
8.2.20.0050.00317.69
8.2.10.0080.00017.93
8.2.00.0050.00217.59
8.1.280.0140.00325.92
8.1.270.0080.00023.91
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0100.00023.84
8.1.230.0080.00320.27
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0050.00317.22
8.1.180.0000.00818.10
8.1.170.0030.00518.55
8.1.160.0000.00721.89
8.1.150.0000.00718.78
8.1.140.0020.00517.38
8.1.130.0070.00017.79
8.1.120.0000.00717.46
8.1.110.0070.00017.32
8.1.100.0050.00217.25
8.1.90.0030.00317.38
8.1.80.0000.00717.37
8.1.70.0030.00317.30
8.1.60.0030.00617.44
8.1.50.0000.00917.52
8.1.40.0000.00717.30
8.1.30.0080.00017.57
8.1.20.0050.00217.49
8.1.10.0030.00617.54
8.1.00.0000.00717.35
8.0.300.0030.00618.77
8.0.290.0000.00816.75
8.0.280.0070.00018.36
8.0.270.0000.00717.19
8.0.260.0030.00617.24
8.0.250.0000.00616.89
8.0.240.0070.00016.89
8.0.230.0000.00816.77
8.0.220.0030.00316.79
8.0.210.0030.00316.79
8.0.200.0080.00016.83
8.0.190.0070.00016.86
8.0.180.0000.00716.83
8.0.170.0030.00516.71
8.0.160.0070.00016.82
8.0.150.0000.00716.80
8.0.140.0040.00416.71
8.0.130.0000.00613.30
8.0.120.0080.00016.80
8.0.110.0070.00016.69
8.0.100.0000.00816.71
8.0.90.0000.00816.67
8.0.80.0090.00616.85
8.0.70.0000.00716.82
8.0.60.0000.00816.65
8.0.50.0050.00316.89
8.0.30.0110.00916.96
8.0.20.0120.00817.40
8.0.10.0080.00016.98
8.0.00.0120.00616.68
7.4.330.0030.00315.00
7.4.320.0060.00316.54
7.4.300.0070.00016.45
7.4.290.0030.00316.54
7.4.280.0040.00416.28
7.4.270.0030.00316.43
7.4.260.0030.00316.39
7.4.250.0050.00216.45
7.4.240.0010.00616.53
7.4.230.0030.00316.42
7.4.220.0140.00416.35
7.4.210.0100.01016.47
7.4.200.0000.00816.34
7.4.160.0120.00416.41
7.4.150.0130.00417.40
7.4.140.0090.00917.86
7.4.130.0090.00716.50
7.4.120.0150.00716.33
7.4.110.0160.00016.39
7.4.100.0070.01016.30
7.4.90.0030.01416.41
7.4.80.0080.01219.39
7.4.70.0090.00916.43
7.4.60.0140.00316.42
7.4.50.0000.00816.64
7.4.40.0030.01316.13
7.4.30.0060.01016.34
7.4.00.0030.01014.70
7.3.330.0030.00313.00
7.3.320.0000.00513.14
7.3.310.0000.00716.28
7.3.300.0070.00016.11
7.3.290.0120.00316.30
7.3.280.0100.00616.21
7.3.270.0090.00917.40
7.3.260.0100.00716.20
7.3.250.0110.00616.24
7.3.240.0070.01116.56
7.3.230.0080.00816.48
7.3.210.0140.00316.52
7.3.200.0060.01219.39
7.3.190.0070.01316.12
7.3.180.0060.01616.20
7.3.170.0110.00516.41
7.3.160.0100.00616.22
7.3.10.0060.00916.29
7.3.00.0050.00816.21
7.2.330.0140.00316.54
7.2.320.0140.00716.36
7.2.310.0070.01516.32
7.2.300.0080.00816.58
7.2.290.0150.00616.63
7.2.130.0060.01216.80
7.2.120.0030.01316.74
7.2.110.0030.01416.86
7.2.100.0000.01416.81
7.2.90.0120.00316.98
7.2.80.0070.00716.75
7.2.70.0120.00616.95
7.2.60.0090.00316.70
7.2.50.0040.01116.83
7.2.40.0060.01016.97
7.2.30.0030.00916.95
7.2.20.0060.00916.55
7.2.10.0110.00816.44
7.2.00.0060.00617.88
7.1.250.0100.00315.79
7.1.100.0040.00718.05
7.1.70.0070.00017.13
7.1.60.0030.00919.61
7.1.50.0030.01016.96
7.1.00.0100.08322.30
7.0.200.0300.00814.75
7.0.140.0070.06722.21
7.0.60.0000.03321.66
7.0.50.0000.07017.85
7.0.40.0000.05020.23
7.0.30.0230.07320.09
7.0.20.0270.06320.00
7.0.10.0170.08020.16
7.0.00.0170.08320.00
5.6.280.0100.06720.78
5.6.210.0000.04320.70
5.6.200.0100.06318.20
5.6.190.0100.06720.45
5.6.180.0270.06020.61
5.6.170.0470.06720.35
5.6.160.0100.07020.46
5.6.150.0030.03718.18
5.6.140.0070.03718.11
5.6.130.0070.03718.18
5.6.120.0130.03320.99
5.6.110.0070.08321.01
5.6.100.0170.08021.08
5.6.90.0130.05021.13
5.6.80.0170.04320.53
5.5.350.0370.07020.40
5.5.340.0030.04017.98
5.5.330.0130.05720.37
5.5.320.0670.06020.26
5.5.310.0270.03720.20
5.5.300.0030.08317.90
5.5.290.0100.08018.05
5.5.280.0070.04020.88
5.5.270.0130.07020.86
5.5.260.0100.07320.87
5.5.250.0100.07320.68
5.5.240.0100.05020.15
5.4.450.3600.04319.20
5.4.440.4100.04019.46
5.4.430.3900.04019.48
5.4.420.3930.04319.49
5.4.410.4000.04319.07
5.4.400.4900.04319.18
5.4.390.0030.06719.20
5.4.380.0030.08019.00
5.4.370.3670.03719.08
5.4.360.3630.03319.16
5.4.350.3630.03719.04
5.4.340.3570.04019.04
5.4.320.3970.03719.16
5.4.310.3870.03719.26
5.4.300.0070.07319.26
5.4.290.0100.07319.11
5.4.280.4270.03719.14
5.4.270.4130.03318.86
5.4.260.4270.04719.06
5.4.250.4370.04719.13
5.4.240.3530.03719.17
5.4.230.3830.03318.86
5.4.220.4400.04319.07
5.4.210.4670.04319.09
5.4.200.4500.03319.06
5.4.190.4770.04018.89
5.4.180.4230.02719.09
5.4.170.3870.04319.09
5.4.160.3530.04018.85
5.4.150.3830.04319.15
5.4.140.3930.03716.35
5.4.130.3730.03716.40
5.4.120.3670.04016.37
5.4.110.3830.03716.32
5.4.100.3500.03716.57
5.4.90.3530.03316.32
5.4.80.4330.04016.21
5.4.70.4630.03016.44
5.4.60.4130.03316.47
5.4.50.3530.03716.13
5.4.40.4500.03316.13
5.4.30.4400.04316.47
5.4.20.4600.03316.34
5.4.10.4330.03716.30
5.4.00.4200.03715.86
5.3.290.3530.03314.54
5.3.280.4030.03714.56
5.3.270.3500.04014.57
5.3.260.3800.03314.42
5.3.250.3930.03714.39
5.3.240.3930.03314.61
5.3.230.4270.03714.57
5.3.220.3600.03714.58
5.3.210.3870.03714.50
5.3.200.3800.03714.50
5.3.190.3730.04314.48
5.3.180.3700.04014.52
5.3.170.4600.03714.50
5.3.160.4130.04014.48
5.3.150.3500.04014.54
5.3.140.3300.03714.34
5.3.130.4170.04014.47
5.3.120.4270.03314.47
5.3.110.4600.03714.46
5.3.100.4400.04313.91
5.3.90.4470.04014.00
5.3.80.3970.03013.95
5.3.70.3530.03713.94
5.3.60.3730.03013.98
5.3.50.3870.02714.03
5.3.40.3830.03013.86
5.3.30.3570.03013.92
5.3.20.4300.03013.50
5.3.10.4470.03313.59
5.3.00.4200.04313.46
5.2.170.2930.03011.04
5.2.160.3130.02711.02
5.2.150.3030.02711.29
5.2.140.3270.02711.08
5.2.130.3600.02711.09
5.2.120.3830.03311.04
5.2.110.3430.03711.10
5.2.100.3900.02710.98
5.2.90.3470.03311.08
5.2.80.3630.03711.02
5.2.70.3370.02711.05
5.2.60.3300.02710.98
5.2.50.3100.03310.95
5.2.40.3070.02010.93
5.2.30.2870.03310.90
5.2.20.2670.02710.89
5.2.10.2370.03311.01
5.2.00.2800.02310.71
5.1.60.2800.03010.06
5.1.50.3100.0339.97
5.1.40.3230.0209.92
5.1.30.3130.03010.38
5.1.20.3070.02710.35
5.1.10.2700.0179.90
5.1.00.2470.02710.07
5.0.50.1630.0208.53
5.0.40.1530.0238.45
5.0.30.1470.0408.29
5.0.20.1230.0208.26
5.0.10.1300.0178.15
5.0.00.1230.0278.30
4.4.90.1430.0206.11
4.4.80.1270.0176.11
4.4.70.1430.0206.11
4.4.60.1500.0206.11
4.4.50.1530.0136.11
4.4.40.1170.0276.11
4.4.30.1670.0176.11
4.4.20.1500.0176.11
4.4.10.1200.0136.11
4.4.00.1600.0276.11
4.3.110.1500.0176.11
4.3.100.1470.0136.11
4.3.90.1170.0176.11
4.3.80.1200.0236.11
4.3.70.1170.0176.11
4.3.60.1170.0176.11
4.3.50.1170.0176.11
4.3.40.1200.0236.11
4.3.30.0630.0136.11
4.3.20.0570.0176.11
4.3.10.0570.0176.11
4.3.00.0730.0136.11

preferences:
31.75 ms | 401 KiB | 5 Q