3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('none' => 'none'); $b = array(15 => '15 sec', 30 => '30 sec', 60 => '1 min'); var_dump(array_merge($a, $b)); var_dump($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)
8.3.70.0150.00318.43
8.3.60.0160.00416.50
8.3.50.0080.00921.99
8.3.40.0190.00318.59
8.3.30.0070.00718.84
8.3.20.0080.00020.26
8.3.10.0040.00421.78
8.3.00.0050.00320.97
8.2.190.0000.01516.75
8.2.180.0130.00916.38
8.2.170.0150.00322.96
8.2.160.0100.00322.14
8.2.150.0000.00924.18
8.2.140.0150.00424.66
8.2.130.0080.00026.16
8.2.120.0090.00319.64
8.2.110.0080.00020.52
8.2.100.0080.00417.97
8.2.90.0050.00219.09
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0060.00319.94
8.2.30.0040.00417.99
8.2.20.0000.00817.72
8.2.10.0040.00417.89
8.2.00.0070.00017.71
8.1.280.0040.01125.92
8.1.270.0100.00018.74
8.1.260.0100.00626.35
8.1.250.0000.00828.09
8.1.240.0030.00623.96
8.1.230.0040.00719.04
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0070.00317.22
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0020.00521.95
8.1.150.0040.00418.81
8.1.140.0040.00417.24
8.1.130.0080.00017.73
8.1.120.0070.00017.45
8.1.110.0040.00417.30
8.1.100.0050.00317.37
8.1.90.0000.00717.27
8.1.80.0070.00017.33
8.1.70.0030.00317.28
8.1.60.0080.00017.52
8.1.50.0050.00317.49
8.1.40.0000.00917.36
8.1.30.0040.00417.56
8.1.20.0050.00217.55
8.1.10.0000.00717.38
8.1.00.0040.00417.37
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0000.00718.32
8.0.270.0030.00317.24
8.0.260.0000.00617.24
8.0.250.0000.00716.94
8.0.240.0000.00716.80
8.0.230.0070.00016.89
8.0.220.0030.00316.74
8.0.210.0040.00416.74
8.0.200.0030.00616.87
8.0.190.0000.00817.00
8.0.180.0070.00016.93
8.0.170.0030.00616.80
8.0.160.0050.00316.94
8.0.150.0070.00016.88
8.0.140.0040.00416.87
8.0.130.0000.00613.34
8.0.120.0000.00716.74
8.0.110.0080.00016.91
8.0.100.0000.00716.76
8.0.90.0030.00416.67
8.0.80.0050.01516.88
8.0.70.0000.00716.82
8.0.60.0000.00816.94
8.0.50.0040.00416.91
8.0.30.0130.00916.96
8.0.20.0170.01017.40
8.0.10.0070.00017.04
8.0.00.0090.00816.85
7.4.330.0060.00015.03
7.4.320.0030.00316.43
7.4.300.0060.00016.43
7.4.290.0070.00016.34
7.4.280.0030.00616.49
7.4.270.0070.00016.33
7.4.260.0040.00416.34
7.4.250.0060.00316.44
7.4.240.0030.00316.40
7.4.230.0000.00716.61
7.4.220.0070.01116.46
7.4.210.0070.00716.55
7.4.200.0000.00716.22
7.4.160.0110.00416.31
7.4.150.0110.00817.40
7.4.140.0080.01217.86
7.4.130.0090.00816.25
7.4.120.0120.00816.49
7.4.110.0120.01216.36
7.4.100.0110.00716.41
7.4.90.0110.00716.42
7.4.80.0100.01016.27
7.4.70.0180.00616.54
7.4.60.0060.01216.56
7.4.50.0030.00516.30
7.4.40.0150.00616.58
7.4.30.0070.01516.22
7.4.00.0110.00414.61
7.3.330.0050.00013.12
7.3.320.0090.00412.93
7.3.310.0040.00416.11
7.3.300.0070.00016.18
7.3.290.0090.00816.15
7.3.280.0060.00916.17
7.3.270.0260.00317.40
7.3.260.0130.00616.24
7.3.250.0100.01016.41
7.3.240.0030.01216.59
7.3.230.0110.01116.39
7.3.210.0030.01416.16
7.3.200.0120.00619.39
7.3.190.0080.00816.29
7.3.180.0100.00716.27
7.3.170.0000.02116.27
7.3.160.0110.01016.41
7.2.330.0090.00916.60
7.2.320.0100.00716.45
7.2.310.0180.00016.38
7.2.300.0070.01116.29
7.2.290.0130.00316.75
7.2.00.0000.01218.96
7.1.100.0040.01117.96
7.1.70.0040.01117.12
7.1.60.0040.02119.46
7.1.50.0070.01117.05
7.1.00.0030.07722.36
7.0.200.0380.00014.59
7.0.140.0000.08022.11
7.0.60.0100.05320.09
7.0.50.0100.07317.86
7.0.40.0030.04319.91
7.0.30.0230.06320.16
7.0.20.0200.04720.09
7.0.10.0130.05720.08
7.0.00.0130.07720.20
5.6.280.0070.07020.81
5.6.210.0070.06020.61
5.6.200.0000.05318.10
5.6.190.0000.04720.43
5.6.180.0430.07320.77
5.6.170.0200.07020.40
5.6.160.0000.04320.50
5.6.150.0030.04718.21
5.6.140.0130.07718.17
5.6.130.0030.08318.16
5.6.120.0170.08021.11
5.6.110.0130.06321.12
5.6.100.0070.08720.97
5.6.90.0300.04020.86
5.6.80.0070.06320.50
5.5.350.0170.03720.39
5.5.340.0030.08018.00
5.5.330.0130.06020.19
5.5.320.0000.04320.34
5.5.310.0300.03320.13
5.5.300.0130.07318.00
5.5.290.0100.06018.00
5.5.280.0130.07020.84
5.5.270.0130.06720.94
5.5.260.0030.04020.96
5.5.250.0170.07320.70
5.5.240.0100.08020.25
5.4.450.0230.05019.39
5.4.440.0700.06319.10
5.4.430.1100.05019.13
5.4.420.0700.05019.24
5.4.410.0670.06019.41
5.4.400.0900.05319.13
5.4.390.0230.05718.65
5.4.380.0170.05318.66
5.4.370.0100.05718.58
5.4.360.0200.06018.65
5.4.350.0170.06018.68
5.4.340.0170.05018.72
5.4.320.0100.06318.48
5.4.310.0130.07018.61
5.4.300.0170.07018.49
5.4.290.0130.05318.48
5.4.280.0230.06018.71
5.4.270.0200.05018.62
5.4.260.0170.05018.55
5.4.250.0170.05718.48
5.4.240.0070.06018.79
5.4.230.0170.04718.68
5.4.220.0070.06018.49
5.4.210.0200.05718.57
5.4.200.0200.06716.48
5.4.190.0170.07018.71
5.4.180.0100.05718.68
5.4.170.0100.05718.74
5.4.160.0230.06318.50
5.4.150.0170.05018.50
5.4.140.0100.05716.17
5.4.130.0130.04716.03
5.4.120.0030.07016.21
5.4.110.0070.06716.30
5.4.100.0370.05016.21
5.4.90.0300.04316.23
5.4.80.0200.05016.24
5.4.70.0170.07016.14
5.4.60.0130.05316.13
5.4.50.0130.05016.01
5.4.40.0130.05716.08
5.4.30.0200.04316.11
5.4.20.0030.06016.23
5.4.10.0170.05316.10
5.4.00.0200.04315.57
5.3.290.0100.06014.71
5.3.280.0100.05714.57
5.3.270.0230.04314.72
5.3.260.0170.05314.59
5.3.250.0130.05314.59
5.3.240.0100.05714.67
5.3.230.0100.06314.70
5.3.220.0200.05314.47
5.3.210.0100.06014.52
5.3.200.0130.05314.63
5.3.190.0170.05314.56
5.3.180.0100.06014.47
5.3.170.0100.06314.47
5.3.160.0200.04314.56
5.3.150.0170.04714.60
5.3.140.0130.05014.54
5.3.130.0130.05314.51
5.3.120.0170.05714.47
5.3.110.0000.06714.48
5.3.100.0100.05313.98
5.3.90.0200.06014.11
5.3.80.0270.05014.05
5.3.70.0200.05713.95
5.3.60.0170.06013.98
5.3.50.0170.06014.04
5.3.40.0230.05713.87
5.3.30.0070.06713.84
5.3.20.0030.07013.78
5.3.10.0070.05713.55
5.3.00.0130.05313.62
5.2.170.0100.04011.11
5.2.160.0100.04311.05
5.2.150.0130.04011.12
5.2.140.0170.03711.09
5.2.130.0100.04711.23
5.2.120.0130.03711.14
5.2.110.0200.03711.09
5.2.100.0100.05011.13
5.2.90.0100.04311.04
5.2.80.0100.04011.06
5.2.70.0100.04311.05
5.2.60.0100.04011.20
5.2.50.0070.04310.98
5.2.40.0070.04310.95
5.2.30.0070.04310.89
5.2.20.0070.06010.91
5.2.10.0030.04310.89
5.2.00.0070.04310.76
5.1.60.0030.0409.96
5.1.50.0070.04010.02
5.1.40.0170.0309.98
5.1.30.0070.03710.30
5.1.20.0070.04010.39
5.1.10.0100.04310.16
5.1.00.0030.04710.16
5.0.50.0100.0238.68
5.0.40.0070.0278.42
5.0.30.0000.0478.24
5.0.20.0070.0278.38
5.0.10.0000.0338.20
5.0.00.0070.0408.24
4.4.90.0030.0235.90
4.4.80.0070.0205.89
4.4.70.0030.0235.86
4.4.60.0000.0275.86
4.4.50.0000.0275.87
4.4.40.0130.0305.96
4.4.30.0070.0275.90
4.4.20.0070.0205.93
4.4.10.0100.0175.88
4.4.00.0070.0335.89
4.3.110.0030.0235.85
4.3.100.0030.0235.85
4.3.90.0030.0235.88
4.3.80.0000.0375.80
4.3.70.0030.0235.88
4.3.60.0030.0205.77
4.3.50.0100.0175.79
4.3.40.0000.0405.77
4.3.30.0000.0304.55
4.3.20.0070.0234.54
4.3.10.0030.0274.59
4.3.00.0370.03014.59

preferences:
58.82 ms | 401 KiB | 5 Q