3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['a'=>'b','c'=>'d','e'=>'f']; $a = serialize($arr); echo $a.'<br>'; var_dump(unserialize($a)).'<br>'; echo json_encode($arr).'<br>'; echo msgpack_pack($arr) ?>

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)
8.3.60.0120.00918.43
8.3.50.0100.00921.19
8.3.40.0070.00718.79
8.3.30.0120.00618.71
8.3.20.0060.00920.15
8.3.10.0040.00421.95
8.3.00.0040.00420.33
8.2.180.0150.00716.88
8.2.170.0110.00722.96
8.2.160.0080.00620.33
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0080.00021.08
8.2.100.0000.01218.03
8.2.90.0000.00819.26
8.2.80.0000.00817.97
8.2.70.0000.00817.75
8.2.60.0120.00017.79
8.2.50.0060.00318.07
8.2.40.0080.00019.46
8.2.30.0000.00922.28
8.2.20.0000.00717.80
8.2.10.0000.00818.00
8.2.00.0000.00718.20
8.1.280.0120.00325.92
8.1.270.0040.01423.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00621.25
8.1.230.0100.00317.42
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00717.35
8.1.190.0050.00317.22
8.1.180.0030.00618.10
8.1.170.0080.00018.48
8.1.160.0070.00022.00
8.1.150.0000.00718.84
8.1.140.0030.00617.42
8.1.130.0050.00317.64
8.1.120.0040.00417.42
8.1.110.0080.00017.52
8.1.100.0000.00817.49
8.1.90.0000.00717.45
8.1.80.0070.00017.41
8.1.70.0040.00417.38
8.1.60.0080.00017.61
8.1.50.0040.00417.40
8.1.40.0060.00317.43
8.1.30.0040.00417.51
8.1.20.0040.00417.64
8.1.10.0000.00817.46
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00718.34
8.0.270.0070.00017.18
8.0.260.0030.00617.33
8.0.250.0000.00716.91
8.0.240.0030.00316.98
8.0.230.0000.00817.04
8.0.220.0070.00016.86
8.0.210.0000.00716.93
8.0.200.0020.00516.99
8.0.190.0040.00417.04
8.0.180.0050.00316.99
8.0.170.0040.00416.99
8.0.160.0030.00516.99
8.0.150.0040.00416.87
8.0.140.0040.00416.95
8.0.130.0030.00313.38
8.0.120.0030.00616.97
8.0.110.0080.00017.02
8.0.100.0000.00816.82
8.0.90.0040.00416.77
8.0.80.0060.00916.93
8.0.70.0030.00516.87
8.0.60.0070.00016.86
8.0.50.0040.00416.84
8.0.30.0100.00816.92
8.0.20.0130.01017.40
8.0.10.0000.00717.08
8.0.00.0100.00816.75
7.4.330.0030.00315.08
7.4.320.0000.00616.57
7.4.300.0000.00716.47
7.4.290.0030.00316.48
7.4.280.0040.00416.51
7.4.270.0030.00316.42
7.4.260.0040.00416.52
7.4.250.0070.00016.48
7.4.240.0060.00116.55
7.4.230.0000.00716.40
7.4.220.0070.01116.55
7.4.210.0090.01216.52
7.4.200.0050.00316.50
7.4.160.0030.01316.62
7.4.150.0060.01217.40
7.4.140.0090.01217.86
7.4.130.0130.00716.43
7.4.120.0120.00716.41
7.4.110.0120.00616.36
7.4.100.0090.01416.67
7.4.90.0080.01116.57
7.4.80.0170.00019.39
7.4.70.0030.02016.50
7.4.60.0060.01016.51
7.4.50.0030.00316.54
7.4.40.0040.01716.41
7.4.30.0140.01016.51
7.4.00.0140.00315.04
7.3.330.0060.00013.07
7.3.320.0000.00613.28
7.3.310.0040.00416.34
7.3.300.0040.00416.25
7.3.290.0100.00616.29
7.3.280.0070.01216.33
7.3.270.0150.00317.40
7.3.260.0080.00916.61
7.3.250.0090.00816.29
7.3.240.0080.01116.33
7.3.230.0160.00016.39
7.3.210.0060.01216.48
7.3.200.0090.00816.68
7.3.190.0070.01416.34
7.3.180.0090.00616.48
7.3.170.0110.00816.38
7.3.160.0130.00416.39
7.3.10.0160.00516.35
7.3.00.0060.01116.44
7.2.330.0090.00916.71
7.2.320.0090.01216.64
7.2.310.0080.00816.70
7.2.300.0090.01216.43
7.2.290.0100.01316.78
7.2.130.0030.01116.87
7.2.120.0110.00416.70
7.2.110.0080.00916.52
7.2.100.0100.01016.78
7.2.90.0070.00716.64
7.2.80.0090.00616.77
7.2.70.0110.00616.71
7.2.60.0080.00716.83
7.2.50.0080.00716.80
7.2.40.0120.00316.51
7.2.30.0070.00816.69
7.2.20.0100.00516.60
7.2.10.0090.00916.59
7.2.00.0080.00717.59
7.1.250.0060.00915.33
7.1.240.0000.01515.43
7.1.230.0080.00415.74
7.1.220.0100.00315.66
7.1.210.0030.00915.55
7.1.200.0030.01015.73
7.1.190.0030.00915.80
7.1.180.0030.00515.63
7.1.170.0000.01015.75
7.1.160.0050.00315.68
7.1.150.0070.00715.77
7.1.140.0030.01015.68
7.1.130.0090.00615.88
7.1.120.0060.00915.77
7.1.110.0070.01015.56
7.1.100.0040.00916.85
7.1.90.0060.00615.86
7.1.80.0060.00615.84
7.1.70.0040.00616.34
7.1.60.0100.00817.45
7.1.50.0040.01316.46
7.1.40.0000.00815.87
7.1.30.0070.00715.59
7.1.20.0140.00015.63
7.1.10.0070.00315.77
7.1.00.0030.04519.07
7.0.330.0000.01115.29
7.0.320.0060.00615.40
7.0.310.0040.00815.41
7.0.300.0030.00715.34
7.0.290.0090.00315.11
7.0.280.0080.00015.38
7.0.270.0060.00915.32
7.0.260.0080.00415.57
7.0.250.0030.01215.68
7.0.240.0030.00615.56
7.0.230.0030.00915.58
7.0.220.0000.01215.21
7.0.210.0060.00615.58
7.0.200.0070.00216.13
7.0.190.0100.00615.31
7.0.180.0030.00915.56
7.0.170.0040.00715.35
7.0.160.0090.00315.40
7.0.150.0000.01415.57
7.0.140.0070.00315.54
7.0.130.0030.00515.30
7.0.120.0030.00915.00
7.0.110.0080.00315.42
7.0.100.0000.01515.35
7.0.90.0080.02217.50
7.0.80.0080.04317.65
7.0.70.0260.02717.55
7.0.60.0420.03517.74
7.0.50.0350.04117.87
7.0.40.0070.04116.88
7.0.30.0110.03216.66
7.0.20.0050.03316.78
7.0.10.0070.02916.79
7.0.00.0070.04316.63
5.6.380.0110.00414.50
5.6.370.0000.00914.66
5.6.360.0070.00713.98
5.6.350.0090.00614.43
5.6.340.0030.01014.46
5.6.330.0030.00713.98
5.6.320.0100.00014.60
5.6.310.0060.00614.65
5.6.300.0110.00413.92
5.6.290.0070.00714.50
5.6.280.0050.02217.67
5.6.270.0100.00314.46
5.6.260.0040.01114.00
5.6.250.0040.01014.21
5.6.240.0050.04417.48
5.6.230.0060.04617.37
5.6.220.0050.04717.40
5.6.210.0040.03817.35
5.6.200.0070.04717.64
5.6.190.0000.05417.66
5.6.180.0080.03817.83
5.6.170.0110.03617.73
5.6.160.0060.03517.63
5.6.150.0050.04517.62
5.6.140.0140.03517.47
5.6.130.0080.03817.70
5.6.120.0050.04717.45
5.6.110.0070.04217.55
5.6.100.0100.03917.57
5.6.90.0090.04317.60
5.6.80.0000.04817.30
5.6.70.0030.03517.29
5.6.60.0030.04417.34
5.6.50.0050.02517.30
5.6.40.0080.02717.25
5.6.30.0050.04017.30
5.6.20.0050.04217.39
5.6.10.0130.03717.27
5.6.00.0030.03017.29
5.5.380.0080.02415.71
5.5.370.0020.04815.84
5.5.360.0060.02115.76
5.5.350.0090.04215.76
5.5.340.0070.03615.92
5.5.330.0100.03916.04
5.5.320.0130.01915.92
5.5.310.0070.04115.96
5.5.300.0030.03516.03
5.5.290.0050.02516.04
5.5.280.0100.04016.06
5.5.270.0070.04416.02
5.5.260.0070.04516.03
5.5.250.0060.04115.83
5.5.240.0080.03815.58
5.5.230.0030.03115.63
5.5.220.0070.03915.60
5.5.210.0050.03015.65
5.5.200.0030.04115.59
5.5.190.0070.04215.67
5.5.180.0090.03915.61
5.5.170.0030.00711.00
5.5.160.0100.03315.57
5.5.150.0030.03015.57
5.5.140.0020.04715.62
5.5.130.0030.03015.57
5.5.120.0080.02815.57
5.5.110.0030.04015.57
5.5.100.0050.02015.67
5.5.90.0030.02515.53
5.5.80.0070.02115.54
5.5.70.0040.02215.52
5.5.60.0050.02115.56
5.5.50.0050.02215.63
5.5.40.0070.02215.55
5.5.30.0080.02015.53
5.5.20.0030.02415.52
5.5.10.0060.02015.56
5.5.00.0020.02715.48
5.4.450.0050.04015.24
5.4.440.0070.02515.23
5.4.430.0050.04215.25
5.4.420.0080.04015.22
5.4.410.0080.03815.16
5.4.400.0060.04015.01
5.4.390.0080.02515.03
5.4.380.0050.03714.97
5.4.370.0080.04114.99
5.4.360.0060.02515.05
5.4.350.0030.02614.99
5.4.340.0050.02714.98
5.4.330.0000.00911.00
5.4.320.0060.04015.05
5.4.310.0020.04514.91
5.4.300.0030.02814.98
5.4.290.0050.04315.01
5.4.280.0070.03914.95
5.4.270.0040.02714.98
5.4.260.0120.01715.07
5.4.250.0060.01815.07
5.4.240.0020.03714.95
5.4.230.0010.02415.02
5.4.220.0020.02614.90
5.4.210.0030.02615.02
5.4.200.0070.02414.98
5.4.190.0070.02314.94
5.4.180.0050.02014.98
5.4.170.0070.02015.07
5.4.160.0050.02314.96
5.4.150.0000.02215.10
5.4.140.0050.02313.61
5.4.130.0000.03513.65
5.4.120.0030.02213.64
5.4.110.0000.02113.67
5.4.100.0070.01613.68
5.4.90.0080.02013.72
5.4.80.0050.01813.66
5.4.70.0030.02113.60
5.4.60.0030.02013.60
5.4.50.0040.02413.71
5.4.40.0050.02013.67
5.4.30.0060.01813.60
5.4.20.0070.01813.66
5.4.10.0000.02713.66
5.4.00.0020.02113.40

preferences:
60.33 ms | 401 KiB | 5 Q