3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'a' => 'b' ); var_dump( reset( array_values( $array ) ) );

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)
8.3.60.0040.01116.63
8.3.50.0110.00721.93
8.3.40.0110.00718.71
8.3.30.0070.00718.36
8.3.20.0040.00421.79
8.3.10.0050.00320.54
8.3.00.0050.00323.61
8.2.180.0110.00316.38
8.2.170.0170.00022.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00219.95
8.2.110.0120.00620.47
8.2.100.0050.00517.72
8.2.90.0000.00720.54
8.2.80.0000.00817.97
8.2.70.0040.00417.68
8.2.60.0080.00017.93
8.2.50.0040.00418.10
8.2.40.0040.00420.60
8.2.30.0050.00319.16
8.2.20.0000.00717.86
8.2.10.0070.00017.93
8.2.00.0040.00417.48
8.1.280.0070.01425.92
8.1.270.0080.00024.66
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00723.73
8.1.230.0080.00420.91
8.1.220.0080.00017.74
8.1.210.0040.00419.05
8.1.200.0030.00617.23
8.1.190.0050.00317.11
8.1.180.0030.00618.10
8.1.170.0000.00820.28
8.1.160.0000.00722.16
8.1.150.0080.00018.85
8.1.140.0000.00719.42
8.1.130.0070.00017.62
8.1.120.0000.00717.39
8.1.110.0000.00817.43
8.1.100.0020.00517.40
8.1.90.0040.00417.39
8.1.80.0000.00717.37
8.1.70.0070.00017.40
8.1.60.0000.00917.41
8.1.50.0030.00517.46
8.1.40.0060.00317.50
8.1.30.0080.00017.56
8.1.20.0000.00717.49
8.1.10.0030.00517.49
8.1.00.0030.00517.44
8.0.300.0050.00319.91
8.0.290.0040.00416.74
8.0.280.0070.00018.41
8.0.270.0030.00317.22
8.0.260.0030.00317.41
8.0.250.0030.00317.00
8.0.240.0060.00016.90
8.0.230.0030.00316.81
8.0.220.0030.00316.88
8.0.210.0000.00716.84
8.0.200.0060.00016.95
8.0.190.0000.01016.98
8.0.180.0000.00716.94
8.0.170.0040.00416.89
8.0.160.0000.00716.77
8.0.150.0040.00416.71
8.0.140.0030.00316.84
8.0.130.0000.00613.28
8.0.120.0060.00316.72
8.0.110.0030.00316.90
8.0.100.0040.00416.67
8.0.90.0080.00016.76
8.0.80.0150.00616.79
8.0.70.0030.00716.72
8.0.60.0000.00716.77
8.0.50.0070.00016.99
8.0.30.0130.00417.04
8.0.20.0060.01317.40
8.0.10.0000.00717.07
8.0.00.0100.01316.84
7.4.330.0050.00015.08
7.4.320.0040.00416.53
7.4.300.0070.00016.52
7.4.290.0070.00016.41
7.4.280.0000.00816.34
7.4.270.0040.00416.53
7.4.260.0070.00016.43
7.4.250.0000.00716.46
7.4.240.0060.00316.50
7.4.230.0030.00616.55
7.4.220.0100.01316.43
7.4.210.0030.01016.54
7.4.200.0040.00416.34
7.4.160.0080.00816.50
7.4.150.0100.00717.40
7.4.140.0090.01017.86
7.4.130.0090.00816.35
7.4.120.0120.00416.34
7.4.110.0060.01716.20
7.4.100.0060.01116.29
7.4.90.0130.00716.36
7.4.80.0070.01019.39
7.4.70.0060.01016.50
7.4.60.0080.00816.66
7.4.50.0060.00916.56
7.4.40.0060.01316.25
7.4.30.0150.00416.44
7.4.00.0140.00014.82
7.3.330.0050.00013.14
7.3.320.0060.00013.11
7.3.310.0030.00316.21
7.3.300.0040.00416.20
7.3.290.0030.00316.13
7.3.280.0070.00816.32
7.3.270.0070.01017.40
7.3.260.0080.00816.38
7.3.250.0080.01116.20
7.3.240.0120.00416.46
7.3.230.0070.01016.39
7.3.210.0080.00816.25
7.3.200.0090.00916.27
7.3.190.0120.01116.38
7.3.180.0150.00316.23
7.3.170.0130.00916.14
7.3.160.0070.01316.30
7.2.330.0050.01416.59
7.2.320.0000.01616.62
7.2.310.0120.00616.23
7.2.300.0080.01016.66
7.2.290.0070.01016.38
7.2.80.0090.00316.24
7.2.60.0040.01116.44
7.2.00.0030.00619.06
7.1.200.0090.00015.84
7.1.100.0060.00617.71
7.1.70.0050.00317.14
7.1.60.0070.00417.13
7.1.50.0070.01516.93
7.1.00.0030.07722.54
7.0.200.0330.01014.48
7.0.110.0200.05720.23
7.0.100.4500.06720.32
7.0.90.0130.05320.25
7.0.80.0130.05020.25
7.0.70.0000.06320.23
7.0.60.0100.05320.32
7.0.50.0100.05720.19
7.0.40.0230.05320.32
7.0.30.0330.04320.32
7.0.20.0270.05020.18
7.0.10.0300.05020.34
7.0.00.0230.05320.18
5.6.260.0170.05321.07
5.6.250.0170.05720.98
5.6.240.0130.05321.06
5.6.230.0100.06020.85
5.6.220.0100.06021.01
5.6.210.0130.05320.85
5.6.200.0070.05721.03
5.6.190.0200.05720.82
5.6.180.0170.06020.96
5.6.170.0170.05020.96
5.6.160.0170.07020.92
5.6.150.0270.05720.93
5.6.140.0070.06320.79
5.6.130.0070.06720.74
5.6.120.0170.05721.00
5.6.110.0170.05721.07
5.6.100.0170.05720.81
5.6.90.0130.05320.83
5.6.80.0200.04320.21
5.6.70.0100.05320.26
5.6.60.0100.07020.40
5.6.50.0070.08020.23
5.6.40.0100.05320.36
5.6.30.0170.05020.36
5.6.20.0100.05320.34
5.6.10.0100.05320.10
5.6.00.0170.04320.13
5.5.380.0100.05017.57
5.5.370.0230.06317.53
5.5.360.0130.05317.47
5.5.350.0100.06017.45
5.5.340.0130.06017.89
5.5.330.0130.04718.26
5.5.320.0330.03018.10
5.5.310.0030.07318.25
5.5.300.0200.04318.02
5.5.290.0030.06317.89
5.5.280.0100.06018.25
5.5.270.0100.06018.09
5.5.260.0100.06317.75
5.5.250.0200.04717.94
5.5.240.0030.05717.28
5.5.230.0270.03717.47
5.5.220.0230.04317.50
5.5.210.0070.06017.20
5.5.200.0170.04317.22
5.5.190.0030.06017.45
5.5.180.0170.05017.20
5.5.160.0130.04717.51
5.5.150.0130.04717.21
5.5.140.0170.04317.45
5.5.130.0030.05717.21
5.5.120.0170.05317.47
5.5.110.0130.05317.50
5.5.100.0170.04717.36
5.5.90.0100.05017.23
5.5.80.0130.04717.01
5.5.70.0070.06017.07
5.5.60.0130.05017.27
5.5.50.0230.05017.10
5.5.40.0030.05717.10
5.5.30.0130.04717.22
5.5.20.0030.05717.10
5.5.10.0070.06017.13
5.5.00.0030.06017.18
5.4.450.0130.05319.50
5.4.440.0270.04719.39
5.4.430.0130.05319.50
5.4.420.0130.05319.32
5.4.410.0100.05319.31
5.4.400.0070.05718.98
5.4.390.0130.06719.02
5.4.380.0100.06319.03
5.4.370.0030.06719.07
5.4.360.0200.05018.93
5.4.350.0130.05019.00
5.4.340.0230.04018.93
5.4.320.0100.05018.90
5.4.310.0230.03719.08
5.4.300.0100.05018.95
5.4.290.0100.05018.97
5.4.280.0100.05318.93
5.4.270.0130.05018.89
5.4.260.0070.05319.00
5.4.250.0170.05018.94
5.4.240.0200.04019.10
5.4.230.0100.05319.20
5.4.220.0070.07719.09
5.4.210.0070.05719.14
5.4.200.0070.05718.97
5.4.190.0100.05319.00
5.4.180.0030.05319.02
5.4.170.0030.05718.93
5.4.160.0130.06318.97
5.4.150.0170.05019.07
5.4.140.0100.06316.16
5.4.130.0070.06316.43
5.4.120.0030.05016.18
5.4.110.0070.05016.52
5.4.100.0200.03316.50
5.4.90.0030.06016.31
5.4.80.0130.05316.32
5.4.70.0130.05016.13
5.4.60.0130.04316.27
5.4.50.0230.05016.50
5.4.40.0130.04716.57
5.4.30.0100.04716.32
5.4.20.0130.05316.46
5.4.10.0070.05716.45
5.4.00.0070.05315.70
5.3.290.0070.05314.51
5.3.280.0200.04314.58
5.3.270.0170.04714.63
5.3.260.0100.05314.47
5.3.250.0170.05714.60
5.3.240.0100.04714.39
5.3.230.0130.05014.61
5.3.220.0170.04714.44
5.3.210.0100.05014.57
5.3.200.0170.04314.39
5.3.190.0100.04714.51
5.3.180.0100.04714.45
5.3.170.0200.06314.45
5.3.160.0100.05314.57
5.3.150.0070.05314.40
5.3.140.0070.05314.54
5.3.130.0130.06014.55
5.3.120.0070.06014.48
5.3.110.0070.06014.42
5.3.100.0170.05714.05
5.3.90.0070.05713.92
5.3.80.0100.05013.88
5.3.70.0070.05713.91
5.3.60.0030.05313.88
5.3.50.0070.05013.86
5.3.40.0100.04713.98
5.3.30.0070.04713.78
5.3.20.0200.04013.68
5.3.10.0030.05713.66
5.3.00.0100.05013.65
5.2.170.0070.04011.15
5.2.160.0130.03710.93
5.2.150.0030.04311.04
5.2.140.0030.04311.13
5.2.130.0100.04311.04
5.2.120.0000.04311.11
5.2.110.0070.04011.02
5.2.100.0170.03711.10
5.2.90.0030.04311.10
5.2.80.0030.04311.03
5.2.70.0030.04011.02
5.2.60.0100.03710.98
5.2.50.0070.04010.90
5.2.40.0100.03310.93
5.2.30.0070.04010.90
5.2.20.0130.03310.86
5.2.10.0030.04310.76
5.2.00.0070.04010.68
5.1.60.0070.03010.04
5.1.50.0070.03710.08
5.1.40.0070.0339.90
5.1.30.0100.03010.38
5.1.20.0070.03310.23
5.1.10.0000.0409.88
5.1.00.0070.03310.02
5.0.50.0030.0308.55
5.0.40.0070.0238.51
5.0.30.0000.0478.23
5.0.20.0130.0178.38
5.0.10.0070.0278.14
5.0.00.0000.0477.97
4.4.90.0100.0135.76
4.4.80.0030.0275.77
4.4.70.0070.0205.75
4.4.60.0030.0235.73
4.4.50.0030.0205.75
4.4.40.0030.0335.76
4.4.30.0070.0175.83
4.4.20.0030.0205.90
4.4.10.0000.0235.89
4.4.00.0070.0305.78
4.3.110.0070.0175.84
4.3.100.0100.0135.72
4.3.90.0000.0235.68
4.3.80.0030.0305.67
4.3.70.0000.0205.65
4.3.60.0030.0175.69
4.3.50.0030.0205.73
4.3.40.0000.0335.61
4.3.30.0030.0204.91
4.3.20.0030.0204.92
4.3.10.0000.0204.93
4.3.00.0030.0174.94

preferences:
64.37 ms | 401 KiB | 5 Q