3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array("x", "y", "z"); $b=$a; array_unshift($b,"m"); print_r($a); print_r($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)
8.3.60.0120.00318.18
8.3.50.0140.00721.88
8.3.40.0110.00418.58
8.3.30.0110.00318.79
8.3.20.0000.00720.21
8.3.10.0000.00822.09
8.3.00.0040.00422.52
8.2.180.0120.00418.18
8.2.170.0150.00022.96
8.2.160.0050.00820.77
8.2.150.0040.00424.18
8.2.140.0150.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00819.36
8.2.110.0000.00822.11
8.2.100.0110.00017.72
8.2.90.0060.00319.14
8.2.80.0000.00717.97
8.2.70.0080.00017.50
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0030.00518.03
8.2.30.0040.00418.11
8.2.20.0050.00317.64
8.2.10.0040.00417.60
8.2.00.0000.00817.67
8.1.280.0070.00725.92
8.1.270.0040.00423.86
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0050.00523.92
8.1.230.0110.00019.07
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0000.00717.53
8.1.180.0000.00918.10
8.1.170.0000.00818.31
8.1.160.0000.00721.95
8.1.150.0080.00018.56
8.1.140.0000.00717.39
8.1.130.0030.00317.76
8.1.120.0000.00717.38
8.1.110.0000.01017.14
8.1.100.0030.00317.38
8.1.90.0070.00017.35
8.1.80.0040.00417.30
8.1.70.0030.00317.38
8.1.60.0060.00317.50
8.1.50.0030.00617.45
8.1.40.0040.00417.32
8.1.30.0090.00017.46
8.1.20.0040.00417.57
8.1.10.0020.00517.54
8.1.00.0040.00417.44
8.0.300.0030.00318.77
8.0.290.0070.00017.04
8.0.280.0070.00018.36
8.0.270.0030.00317.14
8.0.260.0030.00316.74
8.0.250.0000.00616.91
8.0.240.0100.00016.91
8.0.230.0030.00316.75
8.0.220.0070.00016.84
8.0.210.0030.00316.84
8.0.200.0030.00316.89
8.0.190.0000.00716.77
8.0.180.0000.00716.73
8.0.170.0000.00816.88
8.0.160.0030.00616.81
8.0.150.0040.00416.64
8.0.140.0000.00716.68
8.0.130.0000.00513.20
8.0.120.0000.00716.67
8.0.110.0000.00916.73
8.0.100.0040.00416.69
8.0.90.0050.00316.73
8.0.80.0090.00616.87
8.0.70.0030.00516.59
8.0.60.0030.00516.64
8.0.50.0040.00416.77
8.0.30.0070.01016.98
8.0.20.0140.00617.40
8.0.10.0080.00016.94
8.0.00.0080.01216.65
7.4.330.0020.00515.03
7.4.320.0060.00016.39
7.4.300.0030.00316.53
7.4.290.0000.00716.44
7.4.280.0070.00016.48
7.4.270.0030.00316.44
7.4.260.0030.00316.54
7.4.250.0050.00316.30
7.4.240.0050.00216.38
7.4.230.0030.00316.34
7.4.220.0060.01316.41
7.4.210.0070.01016.47
7.4.200.0040.00416.17
7.4.190.0040.00416.59
7.4.160.0100.00716.25
7.4.150.0140.00317.40
7.4.140.0090.00817.86
7.4.130.0120.00916.25
7.4.120.0060.01116.50
7.4.110.0140.00316.47
7.4.100.0050.01316.42
7.4.90.0150.00216.31
7.4.80.0060.01216.35
7.4.70.0110.00616.27
7.4.60.0090.00916.50
7.4.50.0000.00916.30
7.4.40.0030.00822.77
7.4.30.0100.00716.64
7.4.10.0050.01314.75
7.4.00.0060.01214.80
7.3.330.0060.00013.08
7.3.320.0000.00612.98
7.3.310.0030.00316.13
7.3.300.0000.00616.19
7.3.290.0070.00716.14
7.3.280.0070.01016.19
7.3.270.0100.00717.40
7.3.260.0070.01116.46
7.3.250.0100.01016.48
7.3.240.0080.00816.43
7.3.230.0130.00316.47
7.3.210.0140.00316.21
7.3.200.0110.01019.39
7.3.190.0080.01216.32
7.3.180.0030.01316.42
7.3.170.0120.00916.29
7.3.160.0090.00916.43
7.3.130.0130.00514.67
7.3.120.0030.01214.58
7.3.110.0050.01114.54
7.3.100.0070.00814.63
7.3.90.0090.00514.59
7.3.80.0030.01114.76
7.3.70.0060.00814.79
7.3.60.0040.00914.71
7.3.50.0040.01014.49
7.3.40.0060.00914.49
7.3.30.0070.00514.66
7.3.20.0080.00616.63
7.3.10.0040.00916.56
7.3.00.0090.00616.60
7.2.330.0120.00616.37
7.2.320.0100.00716.56
7.2.310.0070.01516.49
7.2.300.0060.01316.27
7.2.290.0090.00816.25
7.2.260.0040.01514.60
7.2.250.0100.00914.82
7.2.240.0090.00614.90
7.2.230.0060.00814.73
7.2.220.0060.00814.85
7.2.210.0050.00514.71
7.2.200.0060.00914.90
7.2.190.0020.01114.77
7.2.180.0070.00814.60
7.2.170.0040.01114.79
7.2.160.0050.00714.79
7.2.150.0030.00816.58
7.2.140.0070.00416.52
7.2.130.0060.00716.56
7.2.120.0050.00816.64
7.2.110.0110.00516.64
7.2.100.0060.00816.67
7.2.90.0060.00816.66
7.2.80.0020.01316.80
7.2.70.0070.00916.76
7.2.60.0100.00516.76
7.2.50.0090.00716.68
7.2.40.0050.01216.82
7.2.30.0050.01016.65
7.2.20.0070.00716.74
7.2.10.0080.00416.50
7.2.00.0080.00517.34
7.1.330.0030.01015.68
7.1.320.0070.00715.60
7.1.310.0070.00715.72
7.1.300.0070.00515.63
7.1.290.0100.00315.67
7.1.280.0090.00515.40
7.1.270.0050.00915.72
7.1.260.0080.00515.76
7.1.250.0060.00515.58
7.1.240.0040.00615.81
7.1.230.0060.00715.77
7.1.220.0070.00515.68
7.1.210.0100.00215.52
7.1.200.0080.00515.61
7.1.190.0050.00715.60
7.1.180.0070.00415.53
7.1.170.0030.01215.73
7.1.160.0030.00815.64
7.1.150.0030.01115.49
7.1.140.0080.00315.64
7.1.130.0070.00515.83
7.1.120.0000.01515.67
7.1.110.0030.01215.80
7.1.100.0070.00816.38
7.1.90.0100.00215.75
7.1.80.0070.00715.52
7.1.70.0010.01016.15
7.1.60.0070.01017.18
7.1.50.0020.01016.05
7.1.40.0060.00715.74
7.1.30.0090.00315.67
7.1.20.0040.01015.73
7.1.10.0030.00815.74
7.1.00.0050.03017.88
7.0.330.0070.00615.29
7.0.320.0040.00715.29
7.0.310.0030.01015.37
7.0.300.0050.00515.36
7.0.290.0060.00615.52
7.0.280.0080.00715.35
7.0.270.0020.01015.30
7.0.260.0030.01015.39
7.0.250.0030.01115.44
7.0.240.0040.00815.27
7.0.230.0050.00715.44
7.0.220.0050.00815.35
7.0.210.0040.01115.23
7.0.200.0060.00615.84
7.0.190.0120.00315.54
7.0.180.0040.01015.25
7.0.170.0030.00915.32
7.0.160.0020.00915.41
7.0.150.0050.00815.24
7.0.140.0040.03017.63
7.0.130.0060.00315.07
7.0.120.0050.00615.38
7.0.110.0070.00515.35
7.0.100.0020.01015.28
7.0.90.0060.00815.15
7.0.80.0060.01816.89
7.0.70.0060.01716.82
7.0.60.0080.01716.88
7.0.50.0170.02117.09
7.0.40.0050.01815.65
7.0.30.0050.01915.71
7.0.20.0050.02015.47
7.0.10.0080.01915.58
7.0.00.0050.02015.63
5.6.400.0030.01014.17
5.6.390.0070.00714.19
5.6.380.0070.00614.26
5.6.370.0020.01014.49
5.6.360.0020.01014.33
5.6.350.0120.00214.43
5.6.340.0040.00614.31
5.6.330.0100.00514.33
5.6.320.0030.01014.24
5.6.310.0030.01014.26
5.6.300.0060.00614.29
5.6.290.0070.00614.27
5.6.280.0060.02816.44
5.6.270.0080.00514.21
5.6.260.0060.00814.02
5.6.250.0050.00814.27
5.6.240.0050.01014.14
5.6.230.0060.01816.32
5.6.220.0090.01616.35
5.6.210.0100.01516.23
5.6.200.0050.01816.65
5.6.190.0030.02116.42
5.6.180.0050.01816.49
5.6.170.0030.02216.44
5.6.160.0020.02116.42
5.6.150.0080.01816.51
5.6.140.0070.01816.49
5.6.130.0040.02116.42
5.6.120.0070.02816.47
5.6.110.0060.01716.42
5.6.100.0080.02916.44
5.6.90.0070.03416.52
5.6.80.0090.02016.23
5.6.70.0080.03016.24
5.6.60.0090.02416.22
5.6.50.0100.02916.37
5.6.40.0080.02916.30
5.6.30.0090.01616.13
5.6.20.0080.02816.27
5.6.10.0070.02016.28
5.6.00.0050.02116.21
5.5.380.0070.01014.26
5.5.370.0040.02016.17
5.5.360.0070.01816.13
5.5.350.0040.02216.15
5.5.340.0070.01616.42
5.5.330.0040.01916.45
5.5.320.0070.01816.47
5.5.310.0060.01816.41
5.5.300.0020.02316.33
5.5.290.0100.01516.41
5.5.280.0060.01616.39
5.5.270.0070.02516.24
5.5.260.0060.03216.31
5.5.250.0100.03016.30
5.5.240.0080.02816.00
5.5.230.0050.02916.07
5.5.220.0050.03316.04
5.5.210.0090.02816.11
5.5.200.0070.02816.18
5.5.190.0060.02716.14
5.5.180.0050.03316.08
5.5.170.0050.01013.94
5.5.160.0030.02816.09
5.5.150.0030.02516.06
5.5.140.0050.03116.07
5.5.130.0070.03016.14
5.5.120.0060.03116.13
5.5.110.0060.03415.97
5.5.100.0070.01716.00
5.5.90.0080.03016.06
5.5.80.0100.01416.07
5.5.70.0080.03115.97
5.5.60.0050.02316.04
5.5.50.0050.01716.10
5.5.40.0050.03416.18
5.5.30.0040.03416.16
5.5.20.0040.03216.00
5.5.10.0030.03115.93
5.5.00.0070.02716.05
5.4.450.0010.02313.70
5.4.440.0020.01813.65
5.4.430.0040.01514.02
5.4.420.0030.03013.75
5.4.410.0030.03113.67
5.4.400.0080.02413.68
5.4.390.0050.02613.63
5.4.380.0070.02913.65
5.4.370.0080.02913.65
5.4.360.0050.02913.68
5.4.350.0070.02313.76
5.4.340.0080.02613.62
5.4.330.0030.01110.98
5.4.320.0060.01713.75
5.4.310.0040.02213.70
5.4.300.0050.02913.62
5.4.290.0030.01813.52
5.4.280.0070.02113.61
5.4.270.0060.03013.64
5.4.260.0060.02713.66
5.4.250.0030.02413.58
5.4.240.0020.03013.57
5.4.230.0050.03013.56
5.4.220.0060.02313.70
5.4.210.0030.03213.64
5.4.200.0060.02313.75
5.4.190.0040.03013.62
5.4.180.0090.03013.76
5.4.170.0070.02813.75
5.4.160.0100.02313.47
5.4.150.0050.03113.50
5.4.140.0040.02612.58
5.4.130.0030.03212.89
5.4.120.0050.02812.78
5.4.110.0030.02812.79
5.4.100.0040.03012.61
5.4.90.0030.03012.82
5.4.80.0050.02912.69
5.4.70.0090.02312.77
5.4.60.0040.02012.80
5.4.50.0010.02212.69
5.4.40.0050.02912.86
5.4.30.0040.02812.73
5.4.20.0080.02512.82
5.4.10.0050.02812.84
5.4.00.0030.02812.51
5.3.290.0020.01811.96
5.3.280.0090.02711.78
5.3.270.0040.02911.94
5.3.260.0040.02511.86
5.3.250.0070.02711.99
5.3.240.0070.01911.89
5.3.230.0070.02811.93
5.3.220.0040.02311.69
5.3.210.0050.03011.83
5.3.200.0050.02811.75
5.3.190.0050.02911.75
5.3.180.0020.02911.91
5.3.170.0040.01811.90
5.3.160.0070.02211.92
5.3.150.0090.02411.83
5.3.140.0070.02811.82
5.3.130.0070.02011.79
5.3.120.0060.02611.79
5.3.110.0010.03411.79
5.3.100.0060.02611.63
5.3.90.0030.02411.54
5.3.80.0060.02511.53
5.3.70.0030.03111.56
5.3.60.0070.02811.61
5.3.50.0060.02711.52
5.3.40.0070.02011.50
5.3.30.0080.02511.60
5.3.20.0060.02511.54
5.3.10.0030.02811.30
5.3.00.0090.02311.21
5.2.170.0030.04311.64
5.2.160.0030.05011.64
5.2.150.0070.03011.64
5.2.140.0000.03711.64
5.2.130.0070.04311.64
5.2.120.0030.06311.64
5.2.110.0030.06011.64
5.2.100.0030.04311.64
5.2.90.0030.03711.64
5.2.80.0070.05711.64
5.2.70.0070.03711.64
5.2.60.0000.06311.64
5.2.50.0070.06011.64
5.2.40.0000.04711.64
5.2.30.0070.04711.64
5.2.20.0030.03711.64
5.2.10.0000.03711.64
5.2.00.0070.06011.64
5.1.60.0100.04311.64
5.1.50.0030.02711.64
5.1.40.0000.04011.64
5.1.30.0070.05711.64
5.1.20.0070.05711.64
5.1.10.0070.05311.64
5.1.00.0070.05311.64
5.0.50.0030.04311.64
5.0.40.0030.04311.64
5.0.30.0000.05711.64
5.0.20.0030.03711.64
5.0.10.0070.04011.64
5.0.00.0000.03711.64
4.4.90.0030.03311.64
4.4.80.0030.03011.64
4.4.70.0000.01711.64
4.4.60.0030.03311.64
4.4.50.0000.02711.64
4.4.40.0030.04711.64
4.4.30.0000.03711.64
4.4.20.0000.03311.64
4.4.10.0030.03311.64
4.4.00.0000.04311.64
4.3.110.0030.02711.64
4.3.100.0070.03011.64
4.3.90.0000.02311.64
4.3.80.0070.04711.64
4.3.70.0030.01311.64
4.3.60.0000.03011.64
4.3.50.0000.02011.64
4.3.40.0070.05011.64
4.3.30.0030.03011.64
4.3.20.0000.02311.64
4.3.10.0030.03011.64
4.3.00.0070.02711.64

preferences:
50.73 ms | 401 KiB | 5 Q